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124790332690 = 2527494539481
BaseRepresentation
bin111010000111000010…
…1010101110100010010
3102221002212000201120201
41310032011111310102
54021032311121230
6133154453525414
712005264216632
oct1641605256422
9387085021521
10124790332690
1148a17986a61
122022804386a
13b9c978565a
14607b62a6c2
1533a57e35ca
hex1d0e155d12

124790332690 has 16 divisors (see below), whose sum is σ = 224704359000. Its totient is φ = 49897964160.

The previous prime is 124790332663. The next prime is 124790332727. The reversal of 124790332690 is 96233097421.

It can be written as a sum of positive squares in 4 ways, for example, as 63903289681 + 60887043009 = 252791^2 + 246753^2 .

It is a super-2 number, since 2×1247903326902 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124790332690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242251 + ... + 2297230.

Almost surely, 2124790332690 is an apocalyptic number.

124790332690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124790332690 is a deficient number, since it is larger than the sum of its proper divisors (99914026310).

124790332690 is a wasteful number, since it uses less digits than its factorization.

124790332690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542237.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 124790332690 in words is "one hundred twenty-four billion, seven hundred ninety million, three hundred thirty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 2749 5498 13745 27490 4539481 9078962 22697405 45394810 12479033269 24958066538 62395166345 124790332690