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104721648187 = 1321506141143
BaseRepresentation
bin110000110000111100…
…1011000101000111011
3101000022020020220220111
41201201321120220323
53203432220220222
6120035232205151
710365046215442
oct1414171305073
9330266226814
10104721648187
1140459705292
12183670997b7
139b4baacc00
1450d6185d59
152acda0b777
hex1861e58a3b

104721648187 has 12 divisors (see below), whose sum is σ = 113407099824. Its totient is φ = 96657369120.

The previous prime is 104721648179. The next prime is 104721648203. The reversal of 104721648187 is 781846127401.

It is a happy number.

It is not a de Polignac number, because 104721648187 - 23 = 104721648179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104721648187.

It is not an unprimeable number, because it can be changed into a prime (104721648127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2524738 + ... + 2565880.

It is an arithmetic number, because the mean of its divisors is an integer number (9450591652).

Almost surely, 2104721648187 is an apocalyptic number.

104721648187 is a deficient number, since it is larger than the sum of its proper divisors (8685451637).

104721648187 is a wasteful number, since it uses less digits than its factorization.

104721648187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56230 (or 56217 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 104721648187 in words is "one hundred four billion, seven hundred twenty-one million, six hundred forty-eight thousand, one hundred eighty-seven".

Divisors: 1 13 169 15061 41143 195793 534859 2545309 6953167 619654723 8055511399 104721648187