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70528819200 = 213352723231
BaseRepresentation
bin100000110101111011…
…0000110000000000000
320202001021102020102220
41001223312012000000
52123420334203300
652222301211040
75044525033410
oct1015366060000
9222037366386
1070528819200
1127a02752834
1211803b60a80
13685cb80118
1435b0d50640
151c7bc6cda0
hex106bd86000

70528819200 has 1008 divisors, whose sum is σ = 287594259456. Its totient is φ = 14922547200.

The previous prime is 70528819189. The next prime is 70528819247. The reversal of 70528819200 is 291882507.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2275123185 + ... + 2275123215.

Almost surely, 270528819200 is an apocalyptic number.

70528819200 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70528819200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143797129728).

70528819200 is an abundant number, since it is smaller than the sum of its proper divisors (217065440256).

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

70528819200 is a wasteful number, since it uses less digits than its factorization.

70528819200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 70528819200 in words is "seventy billion, five hundred twenty-eight million, eight hundred nineteen thousand, two hundred".