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16400041960 = 23513127111549
BaseRepresentation
bin11110100011000010…
…01100011111101000
31120022221120110012111
433101201030133220
5232041402320320
611311205452104
71120260025261
oct172141143750
946287513174
1016400041960
116a5643a295
123218411034
131714910953
14b18147968
1565ebb6a5a
hex3d184c7e8

16400041960 has 64 divisors (see below), whose sum is σ = 37322208000. Its totient is φ = 6485356800.

The previous prime is 16400041939. The next prime is 16400041979. The reversal of 16400041960 is 6914000461.

16400041960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164000419602 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1414266 + ... + 1425814.

It is an arithmetic number, because the mean of its divisors is an integer number (583159500).

Almost surely, 216400041960 is an apocalyptic number.

16400041960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16400041960 is an abundant number, since it is smaller than the sum of its proper divisors (20922166040).

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

16400041960 is a wasteful number, since it uses less digits than its factorization.

16400041960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11962 (or 11958 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 16400041960 in words is "sixteen billion, four hundred million, forty-one thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 131 262 271 524 542 655 1048 1084 1310 1355 2168 2620 2710 5240 5420 10840 11549 23098 35501 46196 57745 71002 92392 115490 142004 177505 230980 284008 355010 461960 710020 1420040 1512919 3025838 3129779 6051676 6259558 7564595 12103352 12519116 15129190 15648895 25038232 30258380 31297790 60516760 62595580 125191160 410001049 820002098 1640004196 2050005245 3280008392 4100010490 8200020980 16400041960