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145163366660 = 22513717863671
BaseRepresentation
bin1000011100110001101…
…0010011000100000100
3111212200200111002020102
42013030122103010010
54334243310213120
6150404230423232
713326166154264
oct2071432230404
9455620432212
10145163366660
1156621a32a14
1224172b01b18
13108c551c840
1470512977a4
153b99197d75
hex21cc693104

145163366660 has 48 divisors (see below), whose sum is σ = 332916417792. Its totient is φ = 52843862400.

The previous prime is 145163366659. The next prime is 145163366669. The reversal of 145163366660 is 66663361541.

It is not an unprimeable number, because it can be changed into a prime (145163366669) 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, 3913376 + ... + 3950295.

It is an arithmetic number, because the mean of its divisors is an integer number (6935758704).

Almost surely, 2145163366660 is an apocalyptic number.

145163366660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145163366660 is an abundant number, since it is smaller than the sum of its proper divisors (187753051132).

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

145163366660 is a wasteful number, since it uses less digits than its factorization.

145163366660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863764 (or 7863762 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 145163366660 in words is "one hundred forty-five billion, one hundred sixty-three million, three hundred sixty-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 71 130 142 260 284 355 710 923 1420 1846 3692 4615 9230 18460 7863671 15727342 31454684 39318355 78636710 102227723 157273420 204455446 408910892 511138615 558320641 1022277230 1116641282 2044554460 2233282564 2791603205 5583206410 7258168333 11166412820 14516336666 29032673332 36290841665 72581683330 145163366660