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1301331320 = 23532533283
BaseRepresentation
bin100110110010000…
…1011110101111000
310100200200110222022
41031210023311320
510131120100240
6333044014012
744151063602
oct11544136570
93320613868
101301331320
11608627533
12303991308
131797b2c43
14c4b8a172
15793a49b5
hex4d90bd78

1301331320 has 16 divisors (see below), whose sum is σ = 2927995560. Its totient is φ = 520532512.

The previous prime is 1301331263. The next prime is 1301331341. The reversal of 1301331320 is 231331031.

It is a congruent number.

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, 16266602 + ... + 16266681.

Almost surely, 21301331320 is an apocalyptic number.

1301331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301331320 is an abundant number, since it is smaller than the sum of its proper divisors (1626664240).

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

1301331320 is a wasteful number, since it uses less digits than its factorization.

1301331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32533294 (or 32533290 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1301331320 is about 36073.9701169694. The cubic root of 1301331320 is about 1091.7653183061.

Adding to 1301331320 its reverse (231331031), we get a palindrome (1532662351).

The spelling of 1301331320 in words is "one billion, three hundred one million, three hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 32533283 65066566 130133132 162666415 260266264 325332830 650665660 1301331320