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7138404446668 = 22111091997374521
BaseRepresentation
bin110011111100000101000…
…0011111011000111001100
3221021102110200100100102121
41213320022003323013030
51413423423014243133
623103200541102324
71334506213436425
oct147701203730714
927242420310377
107138404446668
112302420237670
129735792579a4
133ca1c1780811
141a97019aa64c
15c5a462ee02d
hex67e0a0fb1cc

7138404446668 has 48 divisors (see below), whose sum is σ = 13753762434720. Its totient is φ = 3214757030400.

The previous prime is 7138404446647. The next prime is 7138404446801. The reversal of 7138404446668 is 8666444048317.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95753248 + ... + 95827768.

It is an arithmetic number, because the mean of its divisors is an integer number (286536717390).

Almost surely, 27138404446668 is an apocalyptic number.

It is an amenable number.

7138404446668 is a deficient number, since it is larger than the sum of its proper divisors (6615357988052).

7138404446668 is a wasteful number, since it uses less digits than its factorization.

7138404446668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94618 (or 94616 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 61.

The spelling of 7138404446668 in words is "seven trillion, one hundred thirty-eight billion, four hundred four million, four hundred forty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 44 109 218 436 1199 2398 4796 19973 39946 74521 79892 149042 219703 298084 439406 819731 878812 1639462 2177057 3278924 4354114 8122789 8708228 16245578 23947627 32491156 47895254 89350679 95790508 178701358 357402716 1488407933 2976815866 5953631732 16372487263 32744974526 65489949052 162236464697 324472929394 648945858788 1784601111667 3569202223334 7138404446668