Search a number
-
+
155042110605 = 3582091259123
BaseRepresentation
bin1001000001100100111…
…0101101110010001101
3112211012011002021022210
42100121032231302031
510020011240014410
6155120402301033
714126042124114
oct2203116556215
9484164067283
10155042110605
115a831258508
122606b357779
131180b063465
14770b294c7b
1540765a3220
hex24193adc8d

155042110605 has 16 divisors (see below), whose sum is σ = 248097792960. Its totient is φ = 82678987008.

The previous prime is 155042110603. The next prime is 155042110607. The reversal of 155042110605 is 506011240551.

It is an interprime number because it is at equal distance from previous prime (155042110603) and next prime (155042110607).

It is not a de Polignac number, because 155042110605 - 21 = 155042110603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155042110603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506427 + ... + 752696.

It is an arithmetic number, because the mean of its divisors is an integer number (15506112060).

Almost surely, 2155042110605 is an apocalyptic number.

155042110605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155042110605 is a deficient number, since it is larger than the sum of its proper divisors (93055682355).

155042110605 is a wasteful number, since it uses less digits than its factorization.

155042110605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267340.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 155042110605 in words is "one hundred fifty-five billion, forty-two million, one hundred ten thousand, six hundred five".

Divisors: 1 3 5 15 8209 24627 41045 123135 1259123 3777369 6295615 18886845 10336140707 31008422121 51680703535 155042110605