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1950053793690 = 235715209175757
BaseRepresentation
bin11100011000001000010…
…000110111111110011010
320220102102121020200102010
4130120020100313332122
5223422202232344230
64051501540250350
7260613102520152
oct34301020677632
96812377220363
101950053793690
1169201658a832
12275b250a09b6
13111b739aa742
146a551363762
1535ad32119b0
hex1c608437f9a

1950053793690 has 64 divisors (see below), whose sum is σ = 4746984549120. Its totient is φ = 512588858880.

The previous prime is 1950053793671. The next prime is 1950053793707. The reversal of 1950053793690 is 963973500591.

It is a happy number.

It is a super-2 number, since 2×19500537936902 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1950053793690.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11007292 + ... + 11183048.

It is an arithmetic number, because the mean of its divisors is an integer number (74171633580).

Almost surely, 21950053793690 is an apocalyptic number.

1950053793690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1950053793690 is an abundant number, since it is smaller than the sum of its proper divisors (2796930755430).

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

1950053793690 is a wasteful number, since it uses less digits than its factorization.

1950053793690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181047.

The product of its (nonzero) digits is 6889050, while the sum is 57.

The spelling of 1950053793690 in words is "one trillion, nine hundred fifty billion, fifty-three million, seven hundred ninety-three thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 5209 10418 15627 26045 31254 52090 78135 156270 175757 351514 369839 527271 739678 878785 1054542 1109517 1757570 1849195 2219034 2636355 3698390 5272710 5547585 11095170 12478747 24957494 37436241 62393735 74872482 124787470 187181205 374362410 915518213 1831036426 2746554639 4577591065 5493109278 9155182130 13732773195 27465546390 65001793123 130003586246 195005379369 325008965615 390010758738 650017931230 975026896845 1950053793690