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70921545030 = 237572172229
BaseRepresentation
bin100001000001101000…
…0001110010101000110
320210001122101210000000
41002003100032111012
52130221403420110
652325250502130
75060334120600
oct1020320162506
9223048353000
1070921545030
11280943aa536
12118b3594946
1368c334577b
14360b180170
151ca14961c0
hex108340e546

70921545030 has 576 divisors, whose sum is σ = 237622420800. Its totient is φ = 15190447104.

The previous prime is 70921545011. The next prime is 70921545049. The reversal of 70921545030 is 3054512907.

It is an interprime number because it is at equal distance from previous prime (70921545011) and next prime (70921545049).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 309700956 + ... + 309701184.

It is an arithmetic number, because the mean of its divisors is an integer number (412538925).

Almost surely, 270921545030 is an apocalyptic number.

70921545030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70921545030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118811210400).

70921545030 is an abundant number, since it is smaller than the sum of its proper divisors (166700875770).

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

70921545030 is a wasteful number, since it uses less digits than its factorization.

70921545030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 70921545030 in words is "seventy billion, nine hundred twenty-one million, five hundred forty-five thousand, thirty".