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124800213431 = 137937972199
BaseRepresentation
bin111010000111010101…
…1000010000110110111
3102221010112121201102002
41310032223002012313
54021042323312211
6133155445405515
712005444211515
oct1641653020667
9387115551362
10124800213431
1148a22515563
122022b40989b
13b9cb834b4a
14607ca7d4b5
1533a65e603b
hex1d0eac21b7

124800213431 has 8 divisors (see below), whose sum is σ = 125845456800. Its totient is φ = 123756916608.

The previous prime is 124800213409. The next prime is 124800213437. The reversal of 124800213431 is 134312008421.

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

It is a cyclic number.

It is not a de Polignac number, because 124800213431 - 226 = 124733104567 is a prime.

It is a super-2 number, since 2×1248002134312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124800213394 and 124800213403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124800213437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 357731 + ... + 614468.

It is an arithmetic number, because the mean of its divisors is an integer number (15730682100).

Almost surely, 2124800213431 is an apocalyptic number.

124800213431 is a deficient number, since it is larger than the sum of its proper divisors (1045243369).

124800213431 is an equidigital number, since it uses as much as digits as its factorization.

124800213431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973273.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 124800213431 in words is "one hundred twenty-four billion, eight hundred million, two hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 137 937 128369 972199 133191263 910950463 124800213431