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13385142141 = 37798068199
BaseRepresentation
bin11000111011101000…
…10000111101111101
31021112211111200011020
430131310100331331
5204403044022031
610052110014353
7652460555010
oct143564207575
937484450136
1013385142141
115749622448
1227167a73b9
131354110567
1490d983377
1553517d096
hex31dd10f7d

13385142141 has 16 divisors (see below), whose sum is σ = 20654592000. Its totient is φ = 7551833328.

The previous prime is 13385142139. The next prime is 13385142161. The reversal of 13385142141 is 14124158331.

It is not a de Polignac number, because 13385142141 - 21 = 13385142139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13385142101) 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, 4032441 + ... + 4035758.

It is an arithmetic number, because the mean of its divisors is an integer number (1290912000).

Almost surely, 213385142141 is an apocalyptic number.

It is an amenable number.

13385142141 is a deficient number, since it is larger than the sum of its proper divisors (7269449859).

13385142141 is an equidigital number, since it uses as much as digits as its factorization.

13385142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068288.

The product of its digits is 11520, while the sum is 33.

The spelling of 13385142141 in words is "thirteen billion, three hundred eighty-five million, one hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 7 21 79 237 553 1659 8068199 24204597 56477393 169432179 637387721 1912163163 4461714047 13385142141