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194759666957492 = 227133821990114143
BaseRepresentation
bin101100010010001000000100…
…110000111111110010110100
3221112120211202001111101201122
4230102020010300333302310
5201011420244220114432
61530115204505443112
756010631051355210
oct5422100460776264
9845524661441648
10194759666957492
115706912469490a
1219a1588a4a0498
1384899b0b29630
1436145bd697940
15177b22c577612
hexb12204c3fcb4

194759666957492 has 96 divisors (see below), whose sum is σ = 419664192589824. Its totient is φ = 77014390464000.

The previous prime is 194759666957459. The next prime is 194759666957507. The reversal of 194759666957492 is 294759666957491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 194759666957398 and 194759666957407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13770739373 + ... + 13770753515.

It is an arithmetic number, because the mean of its divisors is an integer number (4371502006144).

Almost surely, 2194759666957492 is an apocalyptic number.

It is an amenable number.

194759666957492 is an abundant number, since it is smaller than the sum of its proper divisors (224904525632332).

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

194759666957492 is a wasteful number, since it uses less digits than its factorization.

194759666957492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27889 (or 27887 counting only the distinct ones).

The product of its digits is 55553299200, while the sum is 89.

Subtracting 194759666957492 from its reverse (294759666957491), we obtain a palindrome (99999999999999).

The spelling of 194759666957492 in words is "one hundred ninety-four trillion, seven hundred fifty-nine billion, six hundred sixty-six million, nine hundred fifty-seven thousand, four hundred ninety-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 3821 7642 9901 14143 15284 19802 26747 28286 39604 49673 53494 56572 69307 99001 99346 106988 128713 138614 183859 198002 198692 257426 277228 347711 367718 396004 514852 695422 735436 900991 1287013 1390844 1801982 2574026 3603964 5148052 37831721 54040403 75663442 108080806 140029843 151326884 216161612 264822047 280059686 378282821 491812373 529644094 560119372 702525239 756565642 980208901 983624746 1059288188 1405050478 1513131284 1820387959 1960417802 1967249492 2810100956 3442686611 3640775918 3920835604 4917676673 6885373222 7281551836 9835353346 12742715713 13770746444 19670706692 25485431426 50970862852 535054030103 1070108060206 2140216120412 3745378210721 6955702391339 7490756421442 13911404782678 14981512842884 27822809565356 48689916739373 97379833478746 194759666957492