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31466151420 = 223511232072869
BaseRepresentation
bin11101010011100001…
…110101110111111100
310000012221010010000120
4131103201311313330
51003420313321140
622242204454540
72162521605534
oct352341656774
9100187103016
1031466151420
1112387905320
126121b4a450
132c76065712
14174705a4c4
15c426d91d0
hex753875dfc

31466151420 has 96 divisors (see below), whose sum is σ = 100293742080. Its totient is φ = 7296495360.

The previous prime is 31466151413. The next prime is 31466151449. The reversal of 31466151420 is 2415166413.

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 31 ways as a sum of consecutive naturals, for example, 1021255 + ... + 1051614.

It is an arithmetic number, because the mean of its divisors is an integer number (1044726480).

Almost surely, 231466151420 is an apocalyptic number.

31466151420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31466151420 is an abundant number, since it is smaller than the sum of its proper divisors (68827590660).

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

31466151420 is a wasteful number, since it uses less digits than its factorization.

31466151420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072915 (or 2072913 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 31466151420 in words is "thirty-one billion, four hundred sixty-six million, one hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 23 30 33 44 46 55 60 66 69 92 110 115 132 138 165 220 230 253 276 330 345 460 506 660 690 759 1012 1265 1380 1518 2530 3036 3795 5060 7590 15180 2072869 4145738 6218607 8291476 10364345 12437214 20728690 22801559 24874428 31093035 41457380 45603118 47675987 62186070 68404677 91206236 95351974 114007795 124372140 136809354 143027961 190703948 228015590 238379935 273618708 286055922 342023385 456031180 476759870 524435857 572111844 684046770 715139805 953519740 1048871714 1368093540 1430279610 1573307571 2097743428 2622179285 2860559220 3146615142 5244358570 6293230284 7866537855 10488717140 15733075710 31466151420