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79874254797340 = 2255716994242977
BaseRepresentation
bin10010001010010100101100…
…100101010111101000011100
3101110210220102011001212200211
4102022110230211113220130
540432124433212003330
6441513420500302204
722552503331412053
oct2212245445275034
9343726364055624
1079874254797340
11234a5532574253
128b601ba3a1964
133575157611263
1415a1d1260739a
15937aa53cad2a
hex48a52c957a1c

79874254797340 has 24 divisors (see below), whose sum is σ = 168029693303472. Its totient is φ = 31893747970560.

The previous prime is 79874254797317. The next prime is 79874254797349. The reversal of 79874254797340 is 4379745247897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79874254797349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3497110069 + ... + 3497132908.

It is an arithmetic number, because the mean of its divisors is an integer number (7001237220978).

Almost surely, 279874254797340 is an apocalyptic number.

It is an amenable number.

79874254797340 is an abundant number, since it is smaller than the sum of its proper divisors (88155438506132).

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

79874254797340 is a wasteful number, since it uses less digits than its factorization.

79874254797340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994243557 (or 6994243555 counting only the distinct ones).

The product of its (nonzero) digits is 2987228160, while the sum is 76.

The spelling of 79874254797340 in words is "seventy-nine trillion, eight hundred seventy-four billion, two hundred fifty-four million, seven hundred ninety-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 571 1142 2284 2855 5710 11420 6994242977 13988485954 27976971908 34971214885 69942429770 139884859540 3993712739867 7987425479734 15974850959468 19968563699335 39937127398670 79874254797340