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1939212933790 = 251129607903741
BaseRepresentation
bin11100001110000010000…
…110010001101010011110
320212101110002020221100111
4130032002012101222132
5223233002002340130
64042510115120234
7260050334652466
oct34160206215236
96771402227314
101939212933790
11688463167290
122739ba5a307a
13110b36a32342
1469c0367aba6
153569b60a02a
hex1c382191a9e

1939212933790 has 32 divisors (see below), whose sum is σ = 3939216248160. Its totient is φ = 680852188800.

The previous prime is 1939212933781. The next prime is 1939212933817. The reversal of 1939212933790 is 973392129391.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303948681 + ... + 303955060.

It is an arithmetic number, because the mean of its divisors is an integer number (123100507755).

Almost surely, 21939212933790 is an apocalyptic number.

1939212933790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1939212933790 is an abundant number, since it is smaller than the sum of its proper divisors (2000003314370).

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

1939212933790 is a wasteful number, since it uses less digits than its factorization.

1939212933790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607903788.

The product of its (nonzero) digits is 4960116, while the sum is 58.

The spelling of 1939212933790 in words is "one trillion, nine hundred thirty-nine billion, two hundred twelve million, nine hundred thirty-three thousand, seven hundred ninety".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 607903741 1215807482 3039518705 6079037410 6686941151 13373882302 17629208489 33434705755 35258416978 66869411510 88146042445 176292084890 193921293379 387842586758 969606466895 1939212933790