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83123807037490 = 258312380703749
BaseRepresentation
bin10010111001100111000100…
…111111011010100000110010
3101220022120002000220110020001
4102321213010333122200302
541343400024100144430
6452442314430340214
723336332266616462
oct2271470477324062
9356276060813201
1083123807037490
112453867704860a
1293a5b4a95a66a
13374c706508b8b
1416752dc677ba2
1599239348e3ca
hex4b99c4fda832

83123807037490 has 8 divisors (see below), whose sum is σ = 149622852667500. Its totient is φ = 33249522814992.

The previous prime is 83123807037487. The next prime is 83123807037521. The reversal of 83123807037490 is 9473070832138.

It can be written as a sum of positive squares in 2 ways, for example, as 78540024522961 + 4583782514529 = 8862281^2 + 2140977^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4156190351865 + ... + 4156190351884.

Almost surely, 283123807037490 is an apocalyptic number.

83123807037490 is a deficient number, since it is larger than the sum of its proper divisors (66499045630010).

83123807037490 is a wasteful number, since it uses less digits than its factorization.

83123807037490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312380703756.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 83123807037490 in words is "eighty-three trillion, one hundred twenty-three billion, eight hundred seven million, thirty-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 8312380703749 16624761407498 41561903518745 83123807037490