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98761315897 = 671474049491
BaseRepresentation
bin101101111111010100…
…0100001011000111001
3100102220211211200002201
41123332220201120321
53104230344102042
6113211553430201
710064253222406
oct1337650413071
9312824750081
1098761315897
1138980208432
1217182b6b361
13940bcc267a
144acc7412ad
15288060c1b7
hex16fea21639

98761315897 has 4 divisors (see below), whose sum is σ = 100235365456. Its totient is φ = 97287266340.

The previous prime is 98761315883. The next prime is 98761315937. The reversal of 98761315897 is 79851316789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98761315897 - 219 = 98760791609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98761315097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737024679 + ... + 737024812.

It is an arithmetic number, because the mean of its divisors is an integer number (25058841364).

Almost surely, 298761315897 is an apocalyptic number.

It is an amenable number.

98761315897 is a deficient number, since it is larger than the sum of its proper divisors (1474049559).

98761315897 is a wasteful number, since it uses less digits than its factorization.

98761315897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474049558.

The product of its digits is 22861440, while the sum is 64.

The spelling of 98761315897 in words is "ninety-eight billion, seven hundred sixty-one million, three hundred fifteen thousand, eight hundred ninety-seven".

Divisors: 1 67 1474049491 98761315897