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85890085488 = 2432797550113
BaseRepresentation
bin100111111111101110…
…0101011001001110000
322012200211100102022100
41033333130223021300
52401400330213423
6103242442340400
76130302452334
oct1177734531160
9265624312270
1085890085488
1133475794529
12147904ba700
13813a4c83bc
14422b1357c4
15237a644343
hex13ff72b270

85890085488 has 60 divisors (see below), whose sum is σ = 243415675360. Its totient is φ = 28267619328.

The previous prime is 85890085471. The next prime is 85890085573. The reversal of 85890085488 is 88458009858.

85890085488 is a `hidden beast` number, since 8 + 5 + 89 + 0 + 0 + 8 + 548 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3763681 + ... + 3786432.

Almost surely, 285890085488 is an apocalyptic number.

It is an amenable number.

85890085488 is an abundant number, since it is smaller than the sum of its proper divisors (157525589872).

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

85890085488 is a wasteful number, since it uses less digits than its factorization.

85890085488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550206 (or 7550197 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 63.

The spelling of 85890085488 in words is "eighty-five billion, eight hundred ninety million, eighty-five thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 79 144 158 237 316 474 632 711 948 1264 1422 1896 2844 3792 5688 11376 7550113 15100226 22650339 30200452 45300678 60400904 67951017 90601356 120801808 135902034 181202712 271804068 362405424 543608136 596458927 1087216272 1192917854 1789376781 2385835708 3578753562 4771671416 5368130343 7157507124 9543342832 10736260686 14315014248 21472521372 28630028496 42945042744 85890085488