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105156212664 = 23310983947911
BaseRepresentation
bin110000111101111001…
…1000111011110111000
3101001102111222002022010
41201323303013132320
53210324442301124
6120150314325520
710411604026326
oct1417363073670
9331374862263
10105156212664
1140661a38a88
12184687298a0
139bbab33c59
145137b86d16
152b06c4b529
hex187bcc77b8

105156212664 has 64 divisors (see below), whose sum is σ = 265624128000. Its totient is φ = 34688373120.

The previous prime is 105156212663. The next prime is 105156212687. The reversal of 105156212664 is 466212651501.

It is a super-2 number, since 2×1051562126642 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105156212663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170869 + ... + 2218779.

It is an arithmetic number, because the mean of its divisors is an integer number (4150377000).

Almost surely, 2105156212664 is an apocalyptic number.

It is an amenable number.

105156212664 is an abundant number, since it is smaller than the sum of its proper divisors (160467915336).

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

105156212664 is a wasteful number, since it uses less digits than its factorization.

105156212664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48868 (or 48864 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 105156212664 in words is "one hundred five billion, one hundred fifty-six million, two hundred twelve thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 109 218 327 436 654 839 872 1308 1678 2517 2616 3356 5034 6712 10068 20136 47911 91451 95822 143733 182902 191644 274353 287466 365804 383288 548706 574932 731608 1097412 1149864 2194824 5222299 10444598 15666897 20889196 31333794 40197329 41778392 62667588 80394658 120591987 125335176 160789316 241183974 321578632 482367948 964735896 4381508861 8763017722 13144526583 17526035444 26289053166 35052070888 52578106332 105156212664