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1520132055500 = 22534541366947
BaseRepresentation
bin10110000111101110111…
…011100110000111001100
312101022201121122112001202
4112013232323212013030
5144401212301234000
63122201121325032
7214553201163632
oct26075673460714
95338647575052
101520132055500
11536758a08693
12206741196778
13b046a279496
14538092c9352
152981e9ecdd5
hex161eeee61cc

1520132055500 has 48 divisors (see below), whose sum is σ = 3320091107424. Its totient is φ = 608030350400.

The previous prime is 1520132055473. The next prime is 1520132055517. The reversal of 1520132055500 is 55502310251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22673027 + ... + 22739973.

It is an arithmetic number, because the mean of its divisors is an integer number (69168564738).

Almost surely, 21520132055500 is an apocalyptic number.

1520132055500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1520132055500 is an abundant number, since it is smaller than the sum of its proper divisors (1799959051924).

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

1520132055500 is a wasteful number, since it uses less digits than its factorization.

1520132055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112379 (or 112367 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 1520132055500 its reverse (55502310251), we get a palindrome (1575634365751).

The spelling of 1520132055500 in words is "one trillion, five hundred twenty billion, one hundred thirty-two million, fifty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 45413 66947 90826 133894 181652 227065 267788 334735 454130 669470 908260 1135325 1338940 1673675 2270650 3347350 4541300 5676625 6694700 8368375 11353250 16736750 22706500 33473500 3040264111 6080528222 12161056444 15201320555 30402641110 60805282220 76006602775 152013205550 304026411100 380033013875 760066027750 1520132055500