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70293742380 = 2235547439701
BaseRepresentation
bin100000101110111010…
…1010110001100101100
320201102220002002200000
41001131311112030230
52122430144224010
652143102504300
75035641644301
oct1013565261454
9221386062600
1070293742380
11278a1a92074
1211759295090
136823264104
14358ba3b0a8
151c662d57c0
hex105dd5632c

70293742380 has 288 divisors, whose sum is σ = 226663557120. Its totient is φ = 18278265600.

The previous prime is 70293742349. The next prime is 70293742399. The reversal of 70293742380 is 8324739207.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 100276030 + ... + 100276730.

It is an arithmetic number, because the mean of its divisors is an integer number (787026240).

Almost surely, 270293742380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70293742380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113331778560).

70293742380 is an abundant number, since it is smaller than the sum of its proper divisors (156369814740).

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

70293742380 is a wasteful number, since it uses less digits than its factorization.

70293742380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 70293742380 in words is "seventy billion, two hundred ninety-three million, seven hundred forty-two thousand, three hundred eighty".