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39970490748 = 2233330874229
BaseRepresentation
bin100101001110011011…
…010100100101111100
310211011121112022102020
4211032123110211330
51123324421200443
630210122200140
72613335364666
oct451633244574
9124147468366
1039970490748
1115a51333331
1278b6053050
1339ccc1ca76
141d126c9536
15108e108583
hex94e6d497c

39970490748 has 12 divisors (see below), whose sum is σ = 93264478440. Its totient is φ = 13323496912.

The previous prime is 39970490699. The next prime is 39970490783. The reversal of 39970490748 is 84709407993.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 39970490691 and 39970490700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665437103 + ... + 1665437126.

It is an arithmetic number, because the mean of its divisors is an integer number (7772039870).

Almost surely, 239970490748 is an apocalyptic number.

It is an amenable number.

39970490748 is an abundant number, since it is smaller than the sum of its proper divisors (53293987692).

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

39970490748 is a wasteful number, since it uses less digits than its factorization.

39970490748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330874236 (or 3330874234 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 39970490748 in words is "thirty-nine billion, nine hundred seventy million, four hundred ninety thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 3330874229 6661748458 9992622687 13323496916 19985245374 39970490748