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70655461020 = 2232531101283443
BaseRepresentation
bin100000111001101100…
…1001100011010011100
320202101002201022100200
41001303121030122130
52124200244223040
652243023423500
75050623336504
oct1016331143234
9222332638320
1070655461020
1127a681906a1
121183a454b90
136880191201
1435c3ab8a04
151c87e36630
hex107364c69c

70655461020 has 288 divisors, whose sum is σ = 224721229824. Its totient is φ = 17948736000.

The previous prime is 70655461001. The next prime is 70655461049. The reversal of 70655461020 is 2016455607.

It is a happy number.

70655461020 is a `hidden beast` number, since 7 + 0 + 6 + 5 + 546 + 102 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 159492919 + ... + 159493361.

It is an arithmetic number, because the mean of its divisors is an integer number (780282048).

Almost surely, 270655461020 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 70655461020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112360614912).

70655461020 is an abundant number, since it is smaller than the sum of its proper divisors (154065768804).

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

70655461020 is a wasteful number, since it uses less digits than its factorization.

70655461020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 70655461020 in words is "seventy billion, six hundred fifty-five million, four hundred sixty-one thousand, twenty".