Search a number
-
+
13121401655022 = 232707807868591
BaseRepresentation
bin1011111011110001000001…
…1111000000111011101110
31201110101122001010120222220
42332330100133000323232
53204440112310430042
643523515543220210
72522663364551523
oct276742037007356
951411561116886
1013121401655022
1141a9834183aa1
12157b022a47666
1374245c38064b
1433511759114a
1517b4b770c8ec
hexbef107c0eee

13121401655022 has 16 divisors (see below), whose sum is σ = 26252497765632. Its totient is φ = 4372184809080.

The previous prime is 13121401654997. The next prime is 13121401655027. The reversal of 13121401655022 is 22055610412131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121401655027) 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, 403918054 + ... + 403950537.

It is an arithmetic number, because the mean of its divisors is an integer number (1640781110352).

Almost surely, 213121401655022 is an apocalyptic number.

13121401655022 is an abundant number, since it is smaller than the sum of its proper divisors (13131096110610).

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

13121401655022 is a wasteful number, since it uses less digits than its factorization.

13121401655022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807871303.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 13121401655022 in words is "thirteen trillion, one hundred twenty-one billion, four hundred one million, six hundred fifty-five thousand, twenty-two".

Divisors: 1 2 3 6 2707 5414 8121 16242 807868591 1615737182 2423605773 4847211546 2186900275837 4373800551674 6560700827511 13121401655022