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137438953442 = 279817068103
BaseRepresentation
bin111111111111111111…
…1111111111111100010
3111010202100122020022222
41333333333333333202
54222433333002232
6143045533431042
712633602554160
oct1777777777742
9433670566288
10137438953442
1153318784a3a
122277803b482
13cc6410a42b
14691b44a230
153895e87d12
hex1fffffffe2

137438953442 has 8 divisors (see below), whose sum is σ = 235609634496. Its totient is φ = 58902408612.

The previous prime is 137438953441. The next prime is 137438953447. The reversal of 137438953442 is 244359834731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (137438953441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4908534038 + ... + 4908534065.

It is an arithmetic number, because the mean of its divisors is an integer number (29451204312).

Almost surely, 2137438953442 is an apocalyptic number.

137438953442 is a deficient number, since it is larger than the sum of its proper divisors (98170681054).

137438953442 is an equidigital number, since it uses as much as digits as its factorization.

137438953442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9817068112.

The product of its digits is 8709120, while the sum is 53.

The spelling of 137438953442 in words is "one hundred thirty-seven billion, four hundred thirty-eight million, nine hundred fifty-three thousand, four hundred forty-two".

Divisors: 1 2 7 14 9817068103 19634136206 68719476721 137438953442