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31402337207168 = 271721168394413
BaseRepresentation
bin1110010001111011011010…
…01001111000001110000000
311010012000220212112222110102
413020331231021320032000
513103443441311112133
6150442011244221532
76420513122104304
oct710755511701600
9133160825488412
1031402337207168
11a007724772714
123631b9723a8a8
13146a2c6317835
147a7c4a14bd04
15396ca82097e8
hex1c8f6d278380

31402337207168 has 64 divisors (see below), whose sum is σ = 66553236375120. Its totient is φ = 14707534356480.

The previous prime is 31402337207119. The next prime is 31402337207209. The reversal of 31402337207168 is 86170273320413.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×314023372071682 (a number of 28 digits) contains 22 as substring.

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, 33738071 + ... + 34656342.

Almost surely, 231402337207168 is an apocalyptic number.

It is an amenable number.

31402337207168 is an abundant number, since it is smaller than the sum of its proper divisors (35150899167952).

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

31402337207168 is a wasteful number, since it uses less digits than its factorization.

31402337207168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68394655 (or 68394643 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 31402337207168 in words is "thirty-one trillion, four hundred two billion, three hundred thirty-seven million, two hundred seven thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 211 272 422 544 844 1088 1688 2176 3376 3587 6752 7174 13504 14348 27008 28696 57392 114784 229568 459136 68394413 136788826 273577652 547155304 1094310608 1162705021 2188621216 2325410042 4377242432 4650820084 8754484864 9301640168 14431221143 18603280336 28862442286 37206560672 57724884572 74413121344 115449769144 148826242688 230899538288 245330759431 461799076576 490661518862 923598153152 981323037724 1847196306304 1962646075448 3925292150896 7850584301792 15701168603584 31402337207168