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31841466940 = 22547226914929
BaseRepresentation
bin11101101001111001…
…100011101000111100
310001012002100010010101
4131221321203220330
51010202403420230
622343333050444
72205030001063
oct355171435074
9101162303111
1031841466940
111255a750438
126207786a24
133005a435ca
141780c371da
15c65623aca
hex769e63a3c

31841466940 has 48 divisors (see below), whose sum is σ = 68324457600. Its totient is φ = 12459267072.

The previous prime is 31841466931. The next prime is 31841466953. The reversal of 31841466940 is 4966414813.

It is a super-2 number, since 2×318414669402 (a number of 22 digits) contains 22 as substring.

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, 2125396 + ... + 2140324.

It is an arithmetic number, because the mean of its divisors is an integer number (1423426200).

Almost surely, 231841466940 is an apocalyptic number.

It is an amenable number.

31841466940 is an abundant number, since it is smaller than the sum of its proper divisors (36482990660).

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

31841466940 is a wasteful number, since it uses less digits than its factorization.

31841466940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17254 (or 17252 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 31841466940 in words is "thirty-one billion, eight hundred forty-one million, four hundred sixty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2269 4538 9076 11345 14929 22690 29858 45380 59716 74645 106643 149290 213286 298580 426572 533215 701663 1066430 1403326 2132860 2806652 3508315 7016630 14033260 33873901 67747802 135495604 169369505 338739010 677478020 1592073347 3184146694 6368293388 7960366735 15920733470 31841466940