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1301309906 = 213374132993
BaseRepresentation
bin100110110010000…
…0110100111010010
310100200122101121012
41031210012213102
510131113404111
6333043330522
744150644301
oct11544064722
93320571535
101301309906
11608612436
12303980a42
131797a6280
14c4b82438
157939d48b
hex4d9069d2

1301309906 has 32 divisors (see below), whose sum is σ = 2211653808. Its totient is φ = 570101760.

The previous prime is 1301309887. The next prime is 1301309917. The reversal of 1301309906 is 6099031031.

It can be written as a sum of positive squares in 8 ways, for example, as 88529281 + 1212780625 = 9409^2 + 34825^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22946 + ... + 55938.

Almost surely, 21301309906 is an apocalyptic number.

1301309906 is a deficient number, since it is larger than the sum of its proper divisors (910343902).

1301309906 is a wasteful number, since it uses less digits than its factorization.

1301309906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33086.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 1301309906 is about 36073.6733089382. The cubic root of 1301309906 is about 1091.7593297746.

The spelling of 1301309906 in words is "one billion, three hundred one million, three hundred nine thousand, nine hundred six".

Divisors: 1 2 13 26 37 41 74 82 481 533 962 1066 1517 3034 19721 32993 39442 65986 428909 857818 1220741 1352713 2441482 2705426 15869633 17585269 31739266 35170538 50050381 100100762 650654953 1301309906