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70749504000 = 29335375849
BaseRepresentation
bin100000111100011111…
…1111100001000000000
320202121122200012002000
41001320333330020000
52124343333112000
652300223224000
75053144601340
oct1017077741000
9222548605060
1070749504000
112800628356a
1211865a48000
1368967ca446
1435d2398d20
151c91311000
hex1078ffc200

70749504000 has 640 divisors, whose sum is σ = 298748736000. Its totient is φ = 16168550400.

The previous prime is 70749503999. The next prime is 70749504011. The reversal of 70749504000 is 40594707.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (640).

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12093076 + ... + 12098924.

It is an arithmetic number, because the mean of its divisors is an integer number (466794900).

Almost surely, 270749504000 is an apocalyptic number.

70749504000 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 70749504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149374368000).

70749504000 is an abundant number, since it is smaller than the sum of its proper divisors (227999232000).

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

70749504000 is an equidigital number, since it uses as much as digits as its factorization.

70749504000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 70749504000 in words is "seventy billion, seven hundred forty-nine million, five hundred four thousand".