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7992095740 = 2253112890477
BaseRepresentation
bin1110111000101110…
…11011001111111100
3202121222112112021221
413130113123033330
5112331434030430
63401014203124
7402023456446
oct73427331774
922558475257
107992095740
113431369902
1216706534a4
139a4a06445
1455b60b496
1531b98857a
hex1dc5db3fc

7992095740 has 24 divisors (see below), whose sum is σ = 17324802432. Its totient is φ = 3093714240.

The previous prime is 7992095689. The next prime is 7992095753. The reversal of 7992095740 is 475902997.

It is a happy number.

It is a super-2 number, since 2×79920957402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6444619 + ... + 6445858.

It is an arithmetic number, because the mean of its divisors is an integer number (721866768).

Almost surely, 27992095740 is an apocalyptic number.

It is an amenable number.

7992095740 is an abundant number, since it is smaller than the sum of its proper divisors (9332706692).

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

7992095740 is a wasteful number, since it uses less digits than its factorization.

7992095740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890517 (or 12890515 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 7992095740 is about 89398.5220235771. The cubic root of 7992095740 is about 1999.3410946124.

The spelling of 7992095740 in words is "seven billion, nine hundred ninety-two million, ninety-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 12890477 25780954 51561908 64452385 128904770 257809540 399604787 799209574 1598419148 1998023935 3996047870 7992095740