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7957063842 = 237213397127
BaseRepresentation
bin1110110100100011…
…10010100010100010
3202112112121201120020
413122101302202202
5112244002020332
63353323254310
7401116632600
oct73221624242
922475551506
107957063842
113413611922
12166097a396
1399a68c000
14556acc870
1531886882c
hex1da4728a2

7957063842 has 192 divisors, whose sum is σ = 20420628480. Its totient is φ = 2060577792.

The previous prime is 7957063817. The next prime is 7957063861. The reversal of 7957063842 is 2483607597.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62653983 + ... + 62654109.

It is an arithmetic number, because the mean of its divisors is an integer number (106357440).

Almost surely, 27957063842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7957063842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10210314240).

7957063842 is an abundant number, since it is smaller than the sum of its proper divisors (12463564638).

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

7957063842 is a wasteful number, since it uses less digits than its factorization.

7957063842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 7957063842 is about 89202.3757643259. The cubic root of 7957063842 is about 1996.4155665897.

The spelling of 7957063842 in words is "seven billion, nine hundred fifty-seven million, sixty-three thousand, eight hundred forty-two".