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70940939040 = 25325432295003
BaseRepresentation
bin100001000010001101…
…0001101001100100000
320210002222220002120200
41002010122031030200
52130241340022130
652331222305200
75060661014106
oct1020432151440
9223088802520
1070940939040
11280a4346544
12118b9b88200
1368c737610a
14360d98bc76
151ca3027760
hex108468d320

70940939040 has 288 divisors, whose sum is σ = 248847318720. Its totient is φ = 18393274368.

The previous prime is 70940939029. The next prime is 70940939051. The reversal of 70940939040 is 4093904907.

It is an interprime number because it is at equal distance from previous prime (70940939029) and next prime (70940939051).

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×709409390402 (a number of 23 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 14177179 + ... + 14182181.

It is an arithmetic number, because the mean of its divisors is an integer number (864053190).

Almost surely, 270940939040 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 70940939040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124423659360).

70940939040 is an abundant number, since it is smaller than the sum of its proper divisors (177906379680).

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

70940939040 is a wasteful number, since it uses less digits than its factorization.

70940939040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 70940939040 in words is "seventy billion, nine hundred forty million, nine hundred thirty-nine thousand, forty".