Search a number
-
+
31436017404 = 22311376436531
BaseRepresentation
bin11101010001101110…
…111000111011111100
310000010211102010220220
4131101232320323330
51003340110024104
622235210541340
72162004511341
oct352156707374
9100124363826
1031436017404
11123718a3180
126113a37850
132c6ca4473c
1417430547c8
15c3ec357d9
hex751bb8efc

31436017404 has 48 divisors (see below), whose sum is σ = 82181640576. Its totient is φ = 9268603200.

The previous prime is 31436017369. The next prime is 31436017433. The reversal of 31436017404 is 40471063413.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213382 + ... + 3223149.

It is an arithmetic number, because the mean of its divisors is an integer number (1712117512).

Almost surely, 231436017404 is an apocalyptic number.

It is an amenable number.

31436017404 is an abundant number, since it is smaller than the sum of its proper divisors (50745623172).

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

31436017404 is a wasteful number, since it uses less digits than its factorization.

31436017404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436586 (or 6436584 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 31436017404 in words is "thirty-one billion, four hundred thirty-six million, seventeen thousand, four hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 111 132 148 222 407 444 814 1221 1628 2442 4884 6436531 12873062 19309593 25746124 38619186 70801841 77238372 141603682 212405523 238151647 283207364 424811046 476303294 714454941 849622092 952606588 1428909882 2619668117 2857819764 5239336234 7859004351 10478672468 15718008702 31436017404