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28820031046266 = 2317282549323983
BaseRepresentation
bin1101000110110001011111…
…01101101000001001111010
310210001011112111221020020010
412203120233231220021322
512234141410421440031
6141143423421242350
76033115143644025
oct643305755501172
9123034474836203
1028820031046266
119201563209559
1232956221033b6
131310942aac455
14718c7b30a1bc
1534ea1d93d246
hex1a362fb6827a

28820031046266 has 16 divisors (see below), whose sum is σ = 61030653980544. Its totient is φ = 9041578367424.

The previous prime is 28820031046241. The next prime is 28820031046349. The reversal of 28820031046266 is 66264013002882.

It is a super-2 number, since 2×288200310462662 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141274661890 + ... + 141274662093.

It is an arithmetic number, because the mean of its divisors is an integer number (3814415873784).

Almost surely, 228820031046266 is an apocalyptic number.

28820031046266 is an abundant number, since it is smaller than the sum of its proper divisors (32210622934278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28820031046266 is a wasteful number, since it uses less digits than its factorization.

28820031046266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282549324005.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 28820031046266 in words is "twenty-eight trillion, eight hundred twenty billion, thirty-one million, forty-six thousand, two hundred sixty-six".

Divisors: 1 2 3 6 17 34 51 102 282549323983 565098647966 847647971949 1695295943898 4803338507711 9606677015422 14410015523133 28820031046266