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121630045524 = 22313779679779
BaseRepresentation
bin111000101000110110…
…1110011010101010100
3102121221121101111120220
41301101231303111110
53443044242424044
6131513121554340
711534051220501
oct1612155632524
9377847344526
10121630045524
1147645a98489
121b6a57a59b0
13b614b0ca50
145c5ba1c4a8
15326d13c019
hex1c51b73554

121630045524 has 24 divisors (see below), whose sum is σ = 305634473760. Its totient is φ = 37424629344.

The previous prime is 121630045489. The next prime is 121630045547. The reversal of 121630045524 is 425540036121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389839734 + ... + 389840045.

It is an arithmetic number, because the mean of its divisors is an integer number (12734769740).

Almost surely, 2121630045524 is an apocalyptic number.

It is an amenable number.

121630045524 is an abundant number, since it is smaller than the sum of its proper divisors (184004428236).

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

121630045524 is a wasteful number, since it uses less digits than its factorization.

121630045524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779679799 (or 779679797 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 121630045524 in words is "one hundred twenty-one billion, six hundred thirty million, forty-five thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 779679779 1559359558 2339039337 3118719116 4678078674 9356157348 10135837127 20271674254 30407511381 40543348508 60815022762 121630045524