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742078363220 = 225179866923911
BaseRepresentation
bin10101100110001110101…
…00010011011001010100
32121221102201100201120222
422303013110103121110
544124234030110340
61324523414413512
7104420252004215
oct12630724233124
92557381321528
10742078363220
11266793987797
12bb9a0661298
1354c92ca2c0c
1427cb992940c
15144832808b5
hexacc7513654

742078363220 has 48 divisors (see below), whose sum is σ = 1567316822400. Its totient is φ = 295126677120.

The previous prime is 742078363219. The next prime is 742078363241. The reversal of 742078363220 is 22363870247.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31023065 + ... + 31046975.

It is an arithmetic number, because the mean of its divisors is an integer number (32652433800).

Almost surely, 2742078363220 is an apocalyptic number.

It is an amenable number.

742078363220 is an abundant number, since it is smaller than the sum of its proper divisors (825238459180).

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

742078363220 is a wasteful number, since it uses less digits than its factorization.

742078363220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32768 (or 32766 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 742078363220 in words is "seven hundred forty-two billion, seventy-eight million, three hundred sixty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 3580 8669 17338 23911 34676 43345 47822 86690 95644 119555 173380 239110 478220 1551751 3103502 4280069 6207004 7758755 8560138 15517510 17120276 21400345 31035020 42800690 85601380 207284459 414568918 829137836 1036422295 2072844590 4145689180 37103918161 74207836322 148415672644 185519590805 371039181610 742078363220