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7138373615420 = 2252237159552383
BaseRepresentation
bin110011111100000100000…
…1110010011111100111100
3221021102101112022221220112
41213320020032103330330
51413423342121143140
623103153520205152
71334505360406415
oct147701016237474
927242345287815
107138373615420
1123024048996a3
1297356aa697b8
133ca1b8277388
141a96db86280c
15c5a4375dc65
hex67e08393f3c

7138373615420 has 24 divisors (see below), whose sum is σ = 14997285886464. Its totient is φ = 2854073009216.

The previous prime is 7138373615419. The next prime is 7138373615521. The reversal of 7138373615420 is 245163738317.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79731452 + ... + 79820931.

It is an arithmetic number, because the mean of its divisors is an integer number (624886911936).

Almost surely, 27138373615420 is an apocalyptic number.

It is an amenable number.

7138373615420 is an abundant number, since it is smaller than the sum of its proper divisors (7858912271044).

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

7138373615420 is a wasteful number, since it uses less digits than its factorization.

7138373615420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159554629 (or 159554627 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 7138373615420 in words is "seven trillion, one hundred thirty-eight billion, three hundred seventy-three million, six hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2237 4474 8948 11185 22370 44740 159552383 319104766 638209532 797761915 1595523830 3191047660 356918680771 713837361542 1427674723084 1784593403855 3569186807710 7138373615420