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38267878940 = 2252053931999
BaseRepresentation
bin100011101000111100…
…010111111000011100
310122202221202200002122
4203220330113320130
51111333034111230
625325141242112
72523212414114
oct435074277034
9118687680078
1038267878940
1115258246935
1274bba03338
1337bb26a765
141bd0524044
15ede8dabe5
hex8e8f17e1c

38267878940 has 24 divisors (see below), whose sum is σ = 80401776000. Its totient is φ = 15299679168.

The previous prime is 38267878933. The next prime is 38267878973. The reversal of 38267878940 is 4987876283.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424940 + ... + 507059.

It is an arithmetic number, because the mean of its divisors is an integer number (3350074000).

Almost surely, 238267878940 is an apocalyptic number.

It is an amenable number.

38267878940 is an abundant number, since it is smaller than the sum of its proper divisors (42133897060).

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

38267878940 is a wasteful number, since it uses less digits than its factorization.

38267878940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934061 (or 934059 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 38267878940 in words is "thirty-eight billion, two hundred sixty-seven million, eight hundred seventy-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 2053 4106 8212 10265 20530 41060 931999 1863998 3727996 4659995 9319990 18639980 1913393947 3826787894 7653575788 9566969735 19133939470 38267878940