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70902470016 = 2738721723
BaseRepresentation
bin100001000001000011…
…1011101010110000000
320210000022111200000000
41002002013131112000
52130202013020031
652323330000000
75060013023400
oct1020207352600
9223008450000
1070902470016
1128084661164
12118a9116000
1368bc3c7391
143608816800
151c9e9793e6
hex10821dd580

70902470016 has 432 divisors, whose sum is σ = 246599123940. Its totient is φ = 20246091264.

The previous prime is 70902469951. The next prime is 70902470033. The reversal of 70902470016 is 61007420907.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

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 (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 41149731 + ... + 41151453.

Almost surely, 270902470016 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 70902470016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123299561970).

70902470016 is an abundant number, since it is smaller than the sum of its proper divisors (175696653924).

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

70902470016 is an frugal number, since it uses more digits than its factorization.

70902470016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 70902470016 in words is "seventy billion, nine hundred two million, four hundred seventy thousand, sixteen".