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140248427808 = 25312791142237
BaseRepresentation
bin1000001010011101110…
…1010010110100100000
3111102000011011022122010
42002213131102310200
54244212044142213
6144232414312520
713063325652426
oct2024735226440
9442004138563
10140248427808
115452a643685
1223220ab8740
13102c11a3bb8
146b06619116
1539ac944ac3
hex20a7752d20

140248427808 has 48 divisors (see below), whose sum is σ = 368440289280. Its totient is φ = 46712883456.

The previous prime is 140248427771. The next prime is 140248427833. The reversal of 140248427808 is 808724842041.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 448335 + ... + 693902.

It is an arithmetic number, because the mean of its divisors is an integer number (7675839360).

Almost surely, 2140248427808 is an apocalyptic number.

It is an amenable number.

140248427808 is an abundant number, since it is smaller than the sum of its proper divisors (228191861472).

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

140248427808 is a wasteful number, since it uses less digits than its factorization.

140248427808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143529 (or 1143521 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 48.

The spelling of 140248427808 in words is "one hundred forty billion, two hundred forty-eight million, four hundred twenty-seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1279 2558 3837 5116 7674 10232 15348 20464 30696 40928 61392 122784 1142237 2284474 3426711 4568948 6853422 9137896 13706844 18275792 27413688 36551584 54827376 109654752 1460921123 2921842246 4382763369 5843684492 8765526738 11687368984 17531053476 23374737968 35062106952 46749475936 70124213904 140248427808