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103102212144 = 2432147962753
BaseRepresentation
bin110000000000101011…
…1101110100000110000
3100212010101000001021210
41200001113232200300
53142123131242034
6115210422120120
710306653225531
oct1400127564060
9325111001253
10103102212144
113a7a8568a98
1217b94880040
139951430629
144dc1072688
152a3676d8e9
hex18015ee830

103102212144 has 20 divisors (see below), whose sum is σ = 266347381496. Its totient is φ = 34367404032.

The previous prime is 103102212107. The next prime is 103102212163. The reversal of 103102212144 is 441212201301.

It is a super-2 number, since 2×1031022121442 (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 103102212144.

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, 1073981329 + ... + 1073981424.

Almost surely, 2103102212144 is an apocalyptic number.

It is an amenable number.

103102212144 is an abundant number, since it is smaller than the sum of its proper divisors (163245169352).

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

103102212144 is a wasteful number, since it uses less digits than its factorization.

103102212144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147962764 (or 2147962758 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 103102212144 its reverse (441212201301), we get a palindrome (544314413445).

The spelling of 103102212144 in words is "one hundred three billion, one hundred two million, two hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 2147962753 4295925506 6443888259 8591851012 12887776518 17183702024 25775553036 34367404048 51551106072 103102212144