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85420987754222 = 22318353101181169
BaseRepresentation
bin10011011011000010011111…
…101000011010011011101110
3102012110011111111200220100102
4103123002133220122123232
542144014140331113342
6501401505433431102
723664314464546361
oct2333023750323356
9365404444626312
1085420987754222
112524392373741a
1296b71abb6b492
13388821a77c7a3
14171457da660d8
159d1ee1382832
hex4db09fa1a6ee

85420987754222 has 16 divisors (see below), whose sum is σ = 133709701980960. Its totient is φ = 40851289492992.

The previous prime is 85420987754177. The next prime is 85420987754239. The reversal of 85420987754222 is 22245778902458.

It is a congruent number.

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, 49746347 + ... + 51434822.

It is an arithmetic number, because the mean of its divisors is an integer number (8356856373810).

Almost surely, 285420987754222 is an apocalyptic number.

85420987754222 is a deficient number, since it is larger than the sum of its proper divisors (48288714226738).

85420987754222 is a wasteful number, since it uses less digits than its factorization.

85420987754222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101199547.

The product of its (nonzero) digits is 180633600, while the sum is 65.

The spelling of 85420987754222 in words is "eighty-five trillion, four hundred twenty billion, nine hundred eighty-seven million, seven hundred fifty-four thousand, two hundred twenty-two".

Divisors: 1 2 23 46 18353 36706 422119 844238 101181169 202362338 2327166887 4654333774 1856977994657 3713955989314 42710493877111 85420987754222