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10102460144 = 247212885791
BaseRepresentation
bin10010110100010011…
…10100111011110000
3222002001120011000112
421122021310323300
5131142212211034
64350242440452
7505230331400
oct113211647360
928061504015
1010102460144
114314636917
121b5b363128
13c4ccb298a
146bb9d4800
153e1d9b7ce
hex25a274ef0

10102460144 has 30 divisors (see below), whose sum is σ = 22769194464. Its totient is φ = 4329625440.

The previous prime is 10102460143. The next prime is 10102460219. The reversal of 10102460144 is 44106420101.

It is a happy number.

10102460144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×101024601442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102460143) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6442112 + ... + 6443679.

Almost surely, 210102460144 is an apocalyptic number.

10102460144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10102460144 is an abundant number, since it is smaller than the sum of its proper divisors (12666734320).

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

10102460144 is a wasteful number, since it uses less digits than its factorization.

10102460144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12885813 (or 12885800 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10102460144 its reverse (44106420101), we get a palindrome (54208880245).

The spelling of 10102460144 in words is "ten billion, one hundred two million, four hundred sixty thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 12885791 25771582 51543164 90200537 103086328 180401074 206172656 360802148 631403759 721604296 1262807518 1443208592 2525615036 5051230072 10102460144