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12010015500355 = 515759325799971
BaseRepresentation
bin1010111011000100110010…
…1101010010100001000011
31120112010221122000020102001
42232301030231102201003
53033233002432002410
641313154105004431
72346460244243005
oct256611455224103
946463848006361
1012010015500355
113910467716524
12141b755a83717
13691702676362
142d7405c18375
1515c61c34133a
hexaec4cb52843

12010015500355 has 16 divisors (see below), whose sum is σ = 14528273832864. Its totient is φ = 9530715317760.

The previous prime is 12010015500347. The next prime is 12010015500361. The reversal of 12010015500355 is 55300551001021.

It is not a de Polignac number, because 12010015500355 - 23 = 12010015500347 is a prime.

It is a super-2 number, since 2×120100155003552 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12434481 + ... + 13365490.

It is an arithmetic number, because the mean of its divisors is an integer number (908017114554).

Almost surely, 212010015500355 is an apocalyptic number.

12010015500355 is a deficient number, since it is larger than the sum of its proper divisors (2518258332509).

12010015500355 is a wasteful number, since it uses less digits than its factorization.

12010015500355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25800726.

The product of its (nonzero) digits is 3750, while the sum is 28.

Adding to 12010015500355 its reverse (55300551001021), we get a palindrome (67310566501376).

The spelling of 12010015500355 in words is "twelve trillion, ten billion, fifteen million, five hundred thousand, three hundred fifty-five".

Divisors: 1 5 157 593 785 2965 93101 465505 25799971 128999855 4050595447 15299382803 20252977235 76496914015 2402003100071 12010015500355