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13946121610 = 255370137537
BaseRepresentation
bin11001111110100000…
…01110110110001010
31022222221002101022121
430333100032312022
5212030201342420
610223505441454
71002412035451
oct147720166612
938887071277
1013946121610
115a07249643
12285264028a
1314133c6385
1496428db98
1556953e2aa
hex33f40ed8a

13946121610 has 32 divisors (see below), whose sum is σ = 25613829072. Its totient is φ = 5465241600.

The previous prime is 13946121601. The next prime is 13946121613. The reversal of 13946121610 is 1612164931.

It can be written as a sum of positive squares in 8 ways, for example, as 9784968561 + 4161153049 = 98919^2 + 64507^2 .

It is not an unprimeable number, because it can be changed into a prime (13946121613) 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, 352762 + ... + 390298.

Almost surely, 213946121610 is an apocalyptic number.

13946121610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13946121610 is a deficient number, since it is larger than the sum of its proper divisors (11667707462).

13946121610 is a wasteful number, since it uses less digits than its factorization.

13946121610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38298.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 13946121610 in words is "thirteen billion, nine hundred forty-six million, one hundred twenty-one thousand, six hundred ten".

Divisors: 1 2 5 10 53 106 265 530 701 1402 3505 7010 37153 37537 74306 75074 185765 187685 371530 375370 1989461 3978922 9947305 19894610 26313437 52626874 131567185 263134370 1394612161 2789224322 6973060805 13946121610