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13110021131223 = 317641324771457
BaseRepresentation
bin1011111011000110101000…
…1001110000101111010111
31201102022020220200002020110
42332301222021300233113
53204243310402144343
643514354403134103
72522111354652042
oct276615211605727
951368226602213
1013110021131223
1141a4a24173025
121578987674333
137413676735b3
14334757d49c59
1517b04d555833
hexbec6a270bd7

13110021131223 has 8 divisors (see below), whose sum is σ = 17480127966448. Its totient is φ = 8739964191744.

The previous prime is 13110021131213. The next prime is 13110021131281. The reversal of 13110021131223 is 32213112001131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13110021131223 - 28 = 13110021130967 is a prime.

It is a super-2 number, since 2×131100211312232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13110021131223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110021131213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11856490 + ... + 12914967.

It is an arithmetic number, because the mean of its divisors is an integer number (2185015995806).

Almost surely, 213110021131223 is an apocalyptic number.

13110021131223 is a deficient number, since it is larger than the sum of its proper divisors (4370106835225).

13110021131223 is a wasteful number, since it uses less digits than its factorization.

13110021131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24947873.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13110021131223 its reverse (32213112001131), we get a palindrome (45323133132354).

The spelling of 13110021131223 in words is "thirteen trillion, one hundred ten billion, twenty-one million, one hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 3 176413 529239 24771457 74314371 4370007043741 13110021131223