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10101131244 = 223431176331
BaseRepresentation
bin10010110100001001…
…10000011111101100
3222001222001122010000
421122010300133230
5131141342144434
64350154144300
7505213125141
oct113204603754
928058048100
1010101131244
114313909456
121b5aa22090
13c4c938b49
146bb76a3c8
153e1bd7b99
hex25a1307ec

10101131244 has 30 divisors (see below), whose sum is σ = 26406353204. Its totient is φ = 3367043640.

The previous prime is 10101131231. The next prime is 10101131263. The reversal of 10101131244 is 44213110101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15587842 + ... + 15588489.

Almost surely, 210101131244 is an apocalyptic number.

It is an amenable number.

10101131244 is an abundant number, since it is smaller than the sum of its proper divisors (16305221960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101131244 is a wasteful number, since it uses less digits than its factorization.

10101131244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31176347 (or 31176336 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10101131244 its reverse (44213110101), we get a palindrome (54314241345).

The spelling of 10101131244 in words is "ten billion, one hundred one million, one hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 31176331 62352662 93528993 124705324 187057986 280586979 374115972 561173958 841760937 1122347916 1683521874 2525282811 3367043748 5050565622 10101131244