Base | Representation |
---|---|
bin | 10011110000100010100… |
… | …110101100010001011010 |
3 | 11210210200201212111110201 |
4 | 103300202212230101122 |
5 | 134221223244434230 |
6 | 2515432112532414 |
7 | 200045210362612 |
oct | 23604246542132 |
9 | 4723621774421 |
10 | 1357790233690 |
11 | 48392120a100 |
12 | 19b19525110a |
13 | 9b067ab38a7 |
14 | 49a0877ba42 |
15 | 254bc67c5ca |
hex | 13c229ac45a |
1357790233690 has 48 divisors (see below), whose sum is σ = 2730444381000. Its totient is φ = 485647747200.
The previous prime is 1357790233687. The next prime is 1357790233697. The reversal of 1357790233690 is 963320977531.
It can be written as a sum of positive squares in 4 ways, for example, as 669940613001 + 687849620689 = 818499^2 + 829367^2 .
It is a super-2 number, since 2×13577902336902 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (55).
It is not an unprimeable number, because it can be changed into a prime (1357790233697) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9124065 + ... + 9271684.
Almost surely, 21357790233690 is an apocalyptic number.
1357790233690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1357790233690 is an abundant number, since it is smaller than the sum of its proper divisors (1372654147310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1357790233690 is a wasteful number, since it uses less digits than its factorization.
1357790233690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18395839 (or 18395828 counting only the distinct ones).
The product of its (nonzero) digits is 6429780, while the sum is 55.
The spelling of 1357790233690 in words is "one trillion, three hundred fifty-seven billion, seven hundred ninety million, two hundred thirty-three thousand, six hundred ninety".
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