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85384700154 = 23313121630627
BaseRepresentation
bin100111110000101010…
…0110010000011111010
322011101121101011222000
41033201110302003322
52344331440401104
6103120350241430
76111624655605
oct1174124620372
9264347334860
1085384700154
1133236489aa6
121466b1b6276
1380898a9020
1441bdd7b33c
15234b0b5639
hex13e15320fa

85384700154 has 32 divisors (see below), whose sum is σ = 204339455040. Its totient is φ = 26272215216.

The previous prime is 85384700119. The next prime is 85384700173. The reversal of 85384700154 is 45100748358.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60814612 + ... + 60816015.

It is an arithmetic number, because the mean of its divisors is an integer number (6385607970).

Almost surely, 285384700154 is an apocalyptic number.

85384700154 is an abundant number, since it is smaller than the sum of its proper divisors (118954754886).

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

85384700154 is a wasteful number, since it uses less digits than its factorization.

85384700154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121630651 (or 121630645 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 85384700154 in words is "eighty-five billion, three hundred eighty-four million, seven hundred thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 121630627 243261254 364891881 729783762 1094675643 1581198151 2189351286 3162396302 3284026929 4743594453 6568053858 9487188906 14230783359 28461566718 42692350077 85384700154