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85120089498 = 23247149367391
BaseRepresentation
bin100111101000110001…
…1010111110110011010
322010201011110120101100
41033101203113312122
52343311220330443
6103034214532230
76102232552143
oct1172143276632
9263634416340
1085120089498
1133110087104
12145b6667076
138046b1c282
144196b7aaca
152332c473d3
hex13d18d7d9a

85120089498 has 48 divisors (see below), whose sum is σ = 188479789056. Its totient is φ = 27750662880.

The previous prime is 85120089493. The next prime is 85120089503. The reversal of 85120089498 is 89498002158.

85120089498 is a `hidden beast` number, since 8 + 51 + 20 + 0 + 89 + 498 = 666.

It is an interprime number because it is at equal distance from previous prime (85120089493) and next prime (85120089503).

It is a super-2 number, since 2×851200894982 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85120089491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1229383 + ... + 1296773.

It is an arithmetic number, because the mean of its divisors is an integer number (3926662272).

Almost surely, 285120089498 is an apocalyptic number.

85120089498 is an abundant number, since it is smaller than the sum of its proper divisors (103359699558).

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

85120089498 is a wasteful number, since it uses less digits than its factorization.

85120089498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68939 (or 68936 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 85120089498 in words is "eighty-five billion, one hundred twenty million, eighty-nine thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 1493 2986 4479 8958 13437 26874 67391 70171 134782 140342 202173 210513 404346 421026 606519 631539 1213038 1263078 3167377 6334754 9502131 19004262 28506393 57012786 100614763 201229526 301844289 603688578 905532867 1811065734 4728893861 9457787722 14186681583 28373363166 42560044749 85120089498