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1310990093 = 73117933751
BaseRepresentation
bin100111000100100…
…0001111100001101
310101100212012022122
41032021001330031
510141103140333
6334031022325
744326142360
oct11611017415
93340765278
101310990093
11613024296
1230706a9a5
1317b7b53aa
14c61820d7
157a161798
hex4e241f0d

1310990093 has 16 divisors (see below), whose sum is σ = 1555292160. Its totient is φ = 1081350000.

The previous prime is 1310990027. The next prime is 1310990119. The reversal of 1310990093 is 3900990131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1310990093 - 28 = 1310989837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310992093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21968 + ... + 55718.

It is an arithmetic number, because the mean of its divisors is an integer number (97205760).

Almost surely, 21310990093 is an apocalyptic number.

It is an amenable number.

1310990093 is a deficient number, since it is larger than the sum of its proper divisors (244302067).

1310990093 is a wasteful number, since it uses less digits than its factorization.

1310990093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33968.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 1310990093 is about 36207.5971724167. The cubic root of 1310990093 is about 1094.4597720211.

The spelling of 1310990093 in words is "one billion, three hundred ten million, nine hundred ninety thousand, ninety-three".

Divisors: 1 7 31 179 217 1253 5549 33751 38843 236257 1046281 6041429 7323967 42290003 187284299 1310990093