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20153312551130 = 251153265223187
BaseRepresentation
bin1001001010100010011110…
…00010010010000011011010
32122100122020000002001102012
410211101033002102003122
510120142441003114010
6110510145354105522
74150012605141413
oct445211702220332
978318200061365
1020153312551130
11646aa765a2950
122315a1b71b2a2
13b325abc1b305
144d95d593480a
1524e379697005
hex12544f0920da

20153312551130 has 48 divisors (see below), whose sum is σ = 40334541244704. Its totient is φ = 7190204024640.

The previous prime is 20153312551093. The next prime is 20153312551147. The reversal of 20153312551130 is 3115521335102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32302604 + ... + 32920583.

It is an arithmetic number, because the mean of its divisors is an integer number (840302942598).

Almost surely, 220153312551130 is an apocalyptic number.

20153312551130 is an abundant number, since it is smaller than the sum of its proper divisors (20181228693574).

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

20153312551130 is a wasteful number, since it uses less digits than its factorization.

20153312551130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65223311 (or 65223258 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 20153312551130 its reverse (3115521335102), we get a palindrome (23268833886232).

The spelling of 20153312551130 in words is "twenty trillion, one hundred fifty-three billion, three hundred twelve million, five hundred fifty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 53 55 106 110 265 530 583 1166 2809 2915 5618 5830 14045 28090 30899 61798 154495 308990 65223187 130446374 326115935 652231870 717455057 1434910114 3456828911 3587275285 6913657822 7174550570 17284144555 34568289110 38025118021 76050236042 183211932283 190125590105 366423864566 380251180210 916059661415 1832119322830 2015331255113 4030662510226 10076656275565 20153312551130