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1301012140 = 22565050607
BaseRepresentation
bin100110110001011…
…1101111010101100
310100200002021010211
41031202331322230
510131024342030
6333033112204
744145264211
oct11542757254
93320067124
101301012140
1160842974a
12303858664
1317970088c
14c4b05b08
157934012a
hex4d8bdeac

1301012140 has 12 divisors (see below), whose sum is σ = 2732125536. Its totient is φ = 520404848.

The previous prime is 1301012117. The next prime is 1301012161. The reversal of 1301012140 is 412101031.

It is a self number, because there is not a number n which added to its sum of digits gives 1301012140.

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, 32525284 + ... + 32525323.

It is an arithmetic number, because the mean of its divisors is an integer number (227677128).

Almost surely, 21301012140 is an apocalyptic number.

1301012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301012140 is an abundant number, since it is smaller than the sum of its proper divisors (1431113396).

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

1301012140 is a wasteful number, since it uses less digits than its factorization.

1301012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65050616 (or 65050614 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1301012140 is about 36069.5458801466. The cubic root of 1301012140 is about 1091.6760512243.

Adding to 1301012140 its reverse (412101031), we get a palindrome (1713113171).

The spelling of 1301012140 in words is "one billion, three hundred one million, twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 65050607 130101214 260202428 325253035 650506070 1301012140