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38401125662438 = 2711249357958847
BaseRepresentation
bin10001011101100111101010…
…11101000011111011100110
312000222010000110210002220122
420232303311131003323212
520013131001132144223
6213401122242201542
711042250456314240
oct1056636535037346
9160863013702818
1038401125662438
111126590a359520
12438248b3532b2
131857297938c96
1496a8a54cb090
15468d7c38c5c8
hex22ecf5743ee6

38401125662438 has 16 divisors (see below), whose sum is σ = 71815092148224. Its totient is φ = 14961477530760.

The previous prime is 38401125662437. The next prime is 38401125662443. The reversal of 38401125662438 is 83426652110483.

It is a self number, because there is not a number n which added to its sum of digits gives 38401125662438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38401125662437) 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, 124678979270 + ... + 124678979577.

It is an arithmetic number, because the mean of its divisors is an integer number (4488443259264).

Almost surely, 238401125662438 is an apocalyptic number.

38401125662438 is a deficient number, since it is larger than the sum of its proper divisors (33413966485786).

38401125662438 is a wasteful number, since it uses less digits than its factorization.

38401125662438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249357958867.

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 38401125662438 in words is "thirty-eight trillion, four hundred one billion, one hundred twenty-five million, six hundred sixty-two thousand, four hundred thirty-eight".

Divisors: 1 2 7 11 14 22 77 154 249357958847 498715917694 1745505711929 2742937547317 3491011423858 5485875094634 19200562831219 38401125662438