Base | Representation |
---|---|
bin | 111101001011010101… |
… | …0100111000101011100 |
3 | 110120002212120110221220 |
4 | 1322112222213011130 |
5 | 4123024423141140 |
6 | 140204220053340 |
7 | 12330432063126 |
oct | 1722652470534 |
9 | 416085513856 |
10 | 131376771420 |
11 | 50797842954 |
12 | 21565994250 |
13 | c5091ac48b |
14 | 6504292216 |
15 | 363db6abd0 |
hex | 1e96aa715c |
131376771420 has 48 divisors (see below), whose sum is σ = 383848657920. Its totient is φ = 33510596416.
The previous prime is 131376771403. The next prime is 131376771437. The reversal of 131376771420 is 24177673131.
It is an interprime number because it is at equal distance from previous prime (131376771403) and next prime (131376771437).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47598900 + ... + 47601659.
It is an arithmetic number, because the mean of its divisors is an integer number (7996847040).
Almost surely, 2131376771420 is an apocalyptic number.
131376771420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131376771420 is an abundant number, since it is smaller than the sum of its proper divisors (252471886500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131376771420 is a wasteful number, since it uses less digits than its factorization.
131376771420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95200594 (or 95200592 counting only the distinct ones).
The product of its (nonzero) digits is 148176, while the sum is 42.
The spelling of 131376771420 in words is "one hundred thirty-one billion, three hundred seventy-six million, seven hundred seventy-one thousand, four hundred twenty".
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