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31404414125200 = 245278511035313
BaseRepresentation
bin1110010001111111010001…
…11100101100010010010000
311010012020021121122100101111
413020333220330230102100
513104012220004001300
6150442553315543104
76420615441445024
oct710775074542220
9133166247570344
1031404414125200
11a0085a00759a6
1236324768baa94
13146a5676b350c
147a7da5d0a384
15396d7a7129ba
hex1c8fe8f2c490

31404414125200 has 30 divisors (see below), whose sum is σ = 75449104936754. Its totient is φ = 12561765649920.

The previous prime is 31404414125191. The next prime is 31404414125261. The reversal of 31404414125200 is 252141440413.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 112115146896 + 31292298978304 = 334836^2 + 5593952^2 .

It is a super-2 number, since 2×314044141252002 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39255517257 + ... + 39255518056.

Almost surely, 231404414125200 is an apocalyptic number.

It is an amenable number.

31404414125200 is an abundant number, since it is smaller than the sum of its proper divisors (44044690811554).

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

31404414125200 is a wasteful number, since it uses less digits than its factorization.

31404414125200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78511035331 (or 78511035320 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 31404414125200 its reverse (252141440413), we get a palindrome (31656555565613).

The spelling of 31404414125200 in words is "thirty-one trillion, four hundred four billion, four hundred fourteen million, one hundred twenty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 78511035313 157022070626 314044141252 392555176565 628088282504 785110353130 1256176565008 1570220706260 1962775882825 3140441412520 3925551765650 6280882825040 7851103531300 15702207062600 31404414125200