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10302142340 = 225773586731
BaseRepresentation
bin10011001100000111…
…00011011110000100
3222120222022001111102
421212003203132010
5132044322023330
64422134355232
7513203523260
oct114603433604
928528261442
1010302142340
114407322026
121bb61bbb18
13c82488419
146da3330a0
15404691945
hex2660e3784

10302142340 has 24 divisors (see below), whose sum is σ = 24725141952. Its totient is φ = 3532163040.

The previous prime is 10302142327. The next prime is 10302142379. The reversal of 10302142340 is 4324120301.

It is a super-2 number, since 2×103021423402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36793226 + ... + 36793505.

It is an arithmetic number, because the mean of its divisors is an integer number (1030214248).

Almost surely, 210302142340 is an apocalyptic number.

10302142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302142340 is an abundant number, since it is smaller than the sum of its proper divisors (14422999612).

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

10302142340 is a wasteful number, since it uses less digits than its factorization.

10302142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73586747 (or 73586745 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10302142340 its reverse (4324120301), we get a palindrome (14626262641).

The spelling of 10302142340 in words is "ten billion, three hundred two million, one hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 73586731 147173462 294346924 367933655 515107117 735867310 1030214234 1471734620 2060428468 2575535585 5151071170 10302142340