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1357502442490 = 253684432
BaseRepresentation
bin10011110000010001011…
…100110110101111111010
311210202221200100012011101
4103300101130312233322
5134220131111124430
62515343352322014
7200035114242325
oct23602134665772
94722850305141
101357502442490
11483793814337
1219b1149a330a
139b02029bb3c
14499bc4657bc
15254a2280dca
hex13c11736bfa

1357502442490 has 12 divisors (see below), whose sum is σ = 2443511028474. Its totient is φ = 542999503224.

The previous prime is 1357502442473. The next prime is 1357502442493. The reversal of 1357502442490 is 942442057531.

It can be written as a sum of positive squares in only one way, i.e., 1221752198241 + 135750244249 = 1105329^2 + 368443^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1357502442490.

It is not an unprimeable number, because it can be changed into a prime (1357502442493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3500209 + ... + 3868651.

Almost surely, 21357502442490 is an apocalyptic number.

1357502442490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1357502442490 is a deficient number, since it is larger than the sum of its proper divisors (1086008585984).

1357502442490 is an frugal number, since it uses more digits than its factorization.

1357502442490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736893 (or 368450 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 1357502442490 in words is "one trillion, three hundred fifty-seven billion, five hundred two million, four hundred forty-two thousand, four hundred ninety".

Divisors: 1 2 5 10 368443 736886 1842215 3684430 135750244249 271500488498 678751221245 1357502442490