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31452044104 = 2313449673549
BaseRepresentation
bin11101010010101100…
…000001101101001000
310000011221120101102101
4131102230001231020
51003403210402404
622240542243144
72162260651405
oct352254015510
9100157511371
1031452044104
111237a94a288
1261192864b4
132c731664b0
1417452272ac
15c4134e2a4
hex752b01b48

31452044104 has 32 divisors (see below), whose sum is σ = 63650475000. Its totient is φ = 14483976192.

The previous prime is 31452044101. The next prime is 31452044123. The reversal of 31452044104 is 40144025413.

It can be written as a sum of positive squares in 4 ways, for example, as 14957779204 + 16494264900 = 122302^2 + 128430^2 .

It is a super-2 number, since 2×314520441042 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31452044101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290079 + ... + 383470.

Almost surely, 231452044104 is an apocalyptic number.

It is an amenable number.

31452044104 is an abundant number, since it is smaller than the sum of its proper divisors (32198430896).

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

31452044104 is a wasteful number, since it uses less digits than its factorization.

31452044104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674017 (or 674013 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 31452044104 its reverse (40144025413), we get a palindrome (71596069517).

The spelling of 31452044104 in words is "thirty-one billion, four hundred fifty-two million, forty-four thousand, one hundred four".

Divisors: 1 2 4 8 13 26 52 104 449 898 1796 3592 5837 11674 23348 46696 673549 1347098 2694196 5388392 8756137 17512274 35024548 70049096 302423501 604847002 1209694004 2419388008 3931505513 7863011026 15726022052 31452044104