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11520353420500 = 225394421244021
BaseRepresentation
bin1010011110100100101010…
…0100101100010011010100
31111210100001020102021120211
42213221022210230103110
53002222140433424000
640300213255135204
72266214045241241
oct247511244542324
944710036367524
1011520353420500
113741833197491
12136087b074504
1365749822c7c2
142bb83399c5c8
1514ea0e0ba7ba
hexa7a4a92c4d4

11520353420500 has 48 divisors (see below), whose sum is σ = 25160821450128. Its totient is φ = 4608073680000.

The previous prime is 11520353420491. The next prime is 11520353420501. The reversal of 11520353420500 is 502435302511.

It can be written as a sum of positive squares in 8 ways, for example, as 683181596304 + 10837171824196 = 826548^2 + 3291986^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520353420501) 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, 47088490 + ... + 47332510.

It is an arithmetic number, because the mean of its divisors is an integer number (524183780211).

Almost surely, 211520353420500 is an apocalyptic number.

11520353420500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11520353420500 is an abundant number, since it is smaller than the sum of its proper divisors (13640468029628).

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

11520353420500 is a wasteful number, since it uses less digits than its factorization.

11520353420500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338461 (or 338449 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 11520353420500 in words is "eleven trillion, five hundred twenty billion, three hundred fifty-three million, four hundred twenty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 94421 188842 244021 377684 472105 488042 944210 976084 1220105 1888420 2360525 2440210 4721050 4880420 6100525 9442100 11802625 12201050 23605250 24402100 30502625 47210500 61005250 122010500 23040706841 46081413682 92162827364 115203534205 230407068410 460814136820 576017671025 1152035342050 2304070684100 2880088355125 5760176710250 11520353420500