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38404237608388 = 22131487150493901
BaseRepresentation
bin10001011101101101011101…
…11100001100010111000100
312000222102001100110100020001
420232312232330030113010
520013203334311432023
6213402355130051044
711042420544365041
oct1056665674142704
9160872040410201
1038404237608388
1111267166a2a583
124382bb9579a84
131857672587512
1496aabc9141c8
15468eb06956ad
hex22edaef0c5c4

38404237608388 has 24 divisors (see below), whose sum is σ = 67859506338624. Its totient is φ = 19016409204000.

The previous prime is 38404237608307. The next prime is 38404237608391. The reversal of 38404237608388 is 88380673240483.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74991763 + ... + 75502138.

It is an arithmetic number, because the mean of its divisors is an integer number (2827479430776).

Almost surely, 238404237608388 is an apocalyptic number.

It is an amenable number.

38404237608388 is a deficient number, since it is larger than the sum of its proper divisors (29455268730236).

38404237608388 is a wasteful number, since it uses less digits than its factorization.

38404237608388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150494523 (or 150494521 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 64.

The spelling of 38404237608388 in words is "thirty-eight trillion, four hundred four billion, two hundred thirty-seven million, six hundred eight thousand, three hundred eighty-eight".

Divisors: 1 2 4 131 262 487 524 974 1948 63797 127594 255188 150493901 300987802 601975604 19714701031 39429402062 73290529787 78858804124 146581059574 293162119148 9601059402097 19202118804194 38404237608388