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3391230661 = 721367181439
BaseRepresentation
bin1100101000100010…
…0001001011000101
322202100012100220121
43022020201023011
523421123340121
61320301501541
7150015661600
oct31210411305
98670170817
103391230661
111490296875
127a78718b1
13420775480
14242567337
1514cac4141
hexca2212c5

3391230661 has 48 divisors (see below), whose sum is σ = 4345461120. Its totient is φ = 2622533760.

The previous prime is 3391230643. The next prime is 3391230679. The reversal of 3391230661 is 1660321933.

It is an interprime number because it is at equal distance from previous prime (3391230643) and next prime (3391230679).

It is not a de Polignac number, because 3391230661 - 29 = 3391230149 is a prime.

It is a super-2 number, since 2×33912306612 = 23000890792212993842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391230061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7724680 + ... + 7725118.

It is an arithmetic number, because the mean of its divisors is an integer number (90530440).

Almost surely, 23391230661 is an apocalyptic number.

It is an amenable number.

3391230661 is a deficient number, since it is larger than the sum of its proper divisors (954230459).

3391230661 is a wasteful number, since it uses less digits than its factorization.

3391230661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 3391230661 is about 58234.2739372614. The cubic root of 3391230661 is about 1502.4006980864.

The spelling of 3391230661 in words is "three billion, three hundred ninety-one million, two hundred thirty thousand, six hundred sixty-one".

Divisors: 1 7 13 49 67 91 181 439 469 637 871 1267 2353 3073 3283 5707 6097 8869 12127 16471 21511 29413 39949 42679 79459 84889 115297 157651 205891 279643 382369 556213 594223 1032967 1103557 1441237 2676583 3893491 5323753 7230769 7724899 18736081 37266271 50615383 69208789 260863897 484461523 3391230661