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673990615676 = 227223672231491
BaseRepresentation
bin10011100111011001111…
…10001010001001111100
32101102200120020202221102
421303230332022021330
542020313044200201
61233343233552232
766460054464500
oct11635476121174
92342616222842
10673990615676
1123a92414a254
12aa75a115678
134b731a8bcc1
142489ac8a300
15127ea99d26b
hex9cecf8a27c

673990615676 has 72 divisors (see below), whose sum is σ = 1453076182656. Its totient is φ = 272170372320.

The previous prime is 673990615673. The next prime is 673990615703. The reversal of 673990615676 is 676516099376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673990615673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813710 + ... + 1417781.

It is an arithmetic number, because the mean of its divisors is an integer number (20181613648).

Almost surely, 2673990615676 is an apocalyptic number.

It is an amenable number.

673990615676 is an abundant number, since it is smaller than the sum of its proper divisors (779085566980).

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

673990615676 is a wasteful number, since it uses less digits than its factorization.

673990615676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231599 (or 2231590 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 65.

The spelling of 673990615676 in words is "six hundred seventy-three billion, nine hundred ninety million, six hundred fifteen thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 23 28 46 49 67 92 98 134 161 196 268 322 469 644 938 1127 1541 1876 2254 3082 3283 4508 6164 6566 10787 13132 21574 43148 75509 151018 302036 2231491 4462982 8925964 15620437 31240874 51324293 62481748 102648586 109343059 149509897 205297172 218686118 299019794 359270051 437372236 598039588 718540102 1046569279 1437080204 2093138558 2514890357 3438727631 4186277116 5029780714 6877455262 7325984953 10059561428 13754910524 14651969906 24071093417 29303939812 48142186834 96284373668 168497653919 336995307838 673990615676