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15215051465132 = 2219213319797551
BaseRepresentation
bin1101110101101000011110…
…1111001110000110101100
31222212112201002121201022112
43131122013233032012230
53443240411133341012
652205410444503152
73130152105402131
oct335320757160654
958775632551275
1015215051465132
114936737995262
121858941b4aab8
13864a08936c2c
143a85ab976588
151b5ba21b7122
hexdd687bce1ac

15215051465132 has 12 divisors (see below), whose sum is σ = 26626479991776. Its totient is φ = 7607485753200.

The previous prime is 15215051465123. The next prime is 15215051465147. The reversal of 15215051465132 is 23156415051251.

It is a self number, because there is not a number n which added to its sum of digits gives 15215051465132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9130244 + ... + 10667307.

It is an arithmetic number, because the mean of its divisors is an integer number (2218873332648).

Almost surely, 215215051465132 is an apocalyptic number.

It is an amenable number.

15215051465132 is a deficient number, since it is larger than the sum of its proper divisors (11411428526644).

15215051465132 is a wasteful number, since it uses less digits than its factorization.

15215051465132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19989688 (or 19989686 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 15215051465132 in words is "fifteen trillion, two hundred fifteen billion, fifty-one million, four hundred sixty-five thousand, one hundred thirty-two".

Divisors: 1 2 4 192133 384266 768532 19797551 39595102 79190204 3803762866283 7607525732566 15215051465132