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45697747780 = 22519523722963
BaseRepresentation
bin101010100011110011…
…000100101101000100
311100221202101010002001
4222203303010231010
51222042110412110
632554313155044
73205301306236
oct524363045504
9140852333061
1045697747780
1118420207303
128a340bba84
134403642359
1422d71bc256
1512c6d1863a
hexaa3cc4b44

45697747780 has 48 divisors (see below), whose sum is σ = 101039762880. Its totient is φ = 17312980608.

The previous prime is 45697747727. The next prime is 45697747783. The reversal of 45697747780 is 8774779654.

It is not an unprimeable number, because it can be changed into a prime (45697747783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978579 + ... + 2001541.

It is an arithmetic number, because the mean of its divisors is an integer number (2104995060).

Almost surely, 245697747780 is an apocalyptic number.

It is an amenable number.

45697747780 is an abundant number, since it is smaller than the sum of its proper divisors (55342015100).

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

45697747780 is a wasteful number, since it uses less digits than its factorization.

45697747780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28228 (or 28226 counting only the distinct ones).

The product of its (nonzero) digits is 82978560, while the sum is 64.

The spelling of 45697747780 in words is "forty-five billion, six hundred ninety-seven million, seven hundred forty-seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 5237 10474 20948 22963 26185 45926 52370 91852 99503 104740 114815 199006 229630 398012 436297 459260 497515 872594 995030 1745188 1990060 2181485 4362970 8725940 120257231 240514462 481028924 601286155 1202572310 2284887389 2405144620 4569774778 9139549556 11424436945 22848873890 45697747780