Base | Representation |
---|---|
bin | 11101001100011110… |
… | …001110001111100110 |
3 | 2222220200100022110210 |
4 | 131030132032033212 |
5 | 1003200011342100 |
6 | 22222335200250 |
7 | 2156553403365 |
oct | 351436161746 |
9 | 88820308423 |
10 | 31347762150 |
11 | 12326aa3751 |
12 | 60aa376086 |
13 | 2c576839b3 |
14 | 173543d7dc |
15 | c37100c50 |
hex | 74c78e3e6 |
31347762150 has 48 divisors (see below), whose sum is σ = 77769178704. Its totient is φ = 8356529280.
The previous prime is 31347762113. The next prime is 31347762311. The reversal of 31347762150 is 5126774313.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31347762099 and 31347762108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421144 + ... + 489956.
It is an arithmetic number, because the mean of its divisors is an integer number (1620191223).
Almost surely, 231347762150 is an apocalyptic number.
31347762150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31347762150 is an abundant number, since it is smaller than the sum of its proper divisors (46421416554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31347762150 is a wasteful number, since it uses less digits than its factorization.
31347762150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71865 (or 71860 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 39.
The spelling of 31347762150 in words is "thirty-one billion, three hundred forty-seven million, seven hundred sixty-two thousand, one hundred fifty".
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