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31468694400 = 2735521113283
BaseRepresentation
bin11101010011101011…
…100010101110000000
310000020002220022100000
4131103223202232000
51003421441210100
622242335200000
72162552326503
oct352353425600
9100202808300
1031468694400
1112389291960
126122976000
132c76746040
14174751d13a
15c42a3c900
hex753ae2b80

31468694400 has 1152 divisors, whose sum is σ = 137287463040. Its totient is φ = 7017062400.

The previous prime is 31468694393. The next prime is 31468694401. The reversal of 31468694400 is 449686413.

31468694400 is a `hidden beast` number, since 3 + 146 + 8 + 69 + 440 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31468694401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 111196659 + ... + 111196941.

It is an arithmetic number, because the mean of its divisors is an integer number (119173145).

Almost surely, 231468694400 is an apocalyptic number.

31468694400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31468694400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68643731520).

31468694400 is an abundant number, since it is smaller than the sum of its proper divisors (105818768640).

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

31468694400 is a wasteful number, since it uses less digits than its factorization.

31468694400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 31468694400 in words is "thirty-one billion, four hundred sixty-eight million, six hundred ninety-four thousand, four hundred".