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31402128814 = 272243009201
BaseRepresentation
bin11101001111101101…
…100111010110101110
310000001110122102111221
4131033231213112232
51003302421110224
622232000333554
72161113455650
oct351755472656
9100043572457
1031402128814
1112354757181
1261046142ba
132c65a0a814
14173c7526d0
15c3bc8e6e4
hex74fb675ae

31402128814 has 8 divisors (see below), whose sum is σ = 53832220848. Its totient is φ = 13458055200.

The previous prime is 31402128757. The next prime is 31402128853. The reversal of 31402128814 is 41882120413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31402128814.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121504587 + ... + 1121504614.

It is an arithmetic number, because the mean of its divisors is an integer number (6729027606).

Almost surely, 231402128814 is an apocalyptic number.

31402128814 is a deficient number, since it is larger than the sum of its proper divisors (22430092034).

31402128814 is a wasteful number, since it uses less digits than its factorization.

31402128814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243009210.

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 31402128814 in words is "thirty-one billion, four hundred two million, one hundred twenty-eight thousand, eight hundred fourteen".

Divisors: 1 2 7 14 2243009201 4486018402 15701064407 31402128814