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1351980132 = 223891265899
BaseRepresentation
bin101000010010101…
…1001010001100100
310111012222201002020
41100211121101210
510232101331012
6342053343140
745334433016
oct12045312144
93435881066
101351980132
11634180758
12318937ab0
13187137759
14cb7b21b6
157da5ba8c
hex50959464

1351980132 has 24 divisors (see below), whose sum is σ = 3190068000. Its totient is φ = 445596096.

The previous prime is 1351980109. The next prime is 1351980137. The reversal of 1351980132 is 2310891531.

It is a junction number, because it is equal to n+sod(n) for n = 1351980093 and 1351980102.

It is not an unprimeable number, because it can be changed into a prime (1351980137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631882 + ... + 634017.

It is an arithmetic number, because the mean of its divisors is an integer number (132919500).

Almost surely, 21351980132 is an apocalyptic number.

1351980132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1351980132 is an abundant number, since it is smaller than the sum of its proper divisors (1838087868).

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

1351980132 is a wasteful number, since it uses less digits than its factorization.

1351980132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265995 (or 1265993 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1351980132 is about 36769.2824515247. The cubic root of 1351980132 is about 1105.7495462547.

The spelling of 1351980132 in words is "one billion, three hundred fifty-one million, nine hundred eighty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 1265899 2531798 3797697 5063596 7595394 15190788 112665011 225330022 337995033 450660044 675990066 1351980132