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1357790233690 = 251126118395749
BaseRepresentation
bin10011110000100010100…
…110101100010001011010
311210210200201212111110201
4103300202212230101122
5134221223244434230
62515432112532414
7200045210362612
oct23604246542132
94723621774421
101357790233690
1148392120a100
1219b19525110a
139b067ab38a7
1449a0877ba42
15254bc67c5ca
hex13c229ac45a

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".

Divisors: 1 2 5 10 11 22 55 61 110 121 122 242 305 605 610 671 1210 1342 3355 6710 7381 14762 36905 73810 18395749 36791498 91978745 183957490 202353239 404706478 1011766195 1122140689 2023532390 2225885629 2244281378 4451771258 5610703445 11129428145 11221406890 12343547579 22258856290 24687095158 61717737895 123435475790 135779023369 271558046738 678895116845 1357790233690