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70889062500 = 223258712
BaseRepresentation
bin100001000000101010…
…0010100000001100100
320202222101021111100100
41002001110110001210
52130140100000000
652322130344100
75056461042414
oct1020124240144
9222871244310
1070889062500
1128078033973
12118a472b030
1368b96b1839
143606b26644
151c9d6cba00
hex1081514064

70889062500 has 243 divisors, whose sum is σ = 227188848523. Its totient is φ = 18637500000.

The previous prime is 70889062483. The next prime is 70889062523. The reversal of 70889062500 is 526098807.

The square root of 70889062500 is 266250.

It is a perfect power (a square), and thus also a powerful number.

70889062500 is a `hidden beast` number, since 7 + 0 + 8 + 89 + 0 + 62 + 500 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 50401148004 + 20487914496 = 224502^2 + 143136^2 .

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 998437465 + ... + 998437535.

Almost surely, 270889062500 is an apocalyptic number.

70889062500 is the 266250-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70889062500

70889062500 is an abundant number, since it is smaller than the sum of its proper divisors (156299786023).

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

70889062500 is an frugal number, since it uses more digits than its factorization.

70889062500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 70889062500 in words is "seventy billion, eight hundred eighty-nine million, sixty-two thousand, five hundred".