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129770223704 = 23111973747421
BaseRepresentation
bin111100011011011101…
…0000111100001011000
3110101221220120101210122
41320312322013201120
54111232134124304
6135340550132412
712242553462422
oct1706672074130
9411856511718
10129770223704
11500429a9870
1221197951108
13c3113c3324
1463d0b75812
153597ac69be
hex1e36e87858

129770223704 has 32 divisors (see below), whose sum is σ = 265573985040. Its totient is φ = 58956489600.

The previous prime is 129770223701. The next prime is 129770223749. The reversal of 129770223704 is 407322077921.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129770223701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200087 + ... + 547334.

Almost surely, 2129770223704 is an apocalyptic number.

It is an amenable number.

129770223704 is an abundant number, since it is smaller than the sum of its proper divisors (135803761336).

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

129770223704 is a wasteful number, since it uses less digits than its factorization.

129770223704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749411 (or 749407 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 129770223704 in words is "one hundred twenty-nine billion, seven hundred seventy million, two hundred twenty-three thousand, seven hundred four".

Divisors: 1 2 4 8 11 22 44 88 1973 3946 7892 15784 21703 43406 86812 173624 747421 1494842 2989684 5979368 8221631 16443262 32886524 65773048 1474661633 2949323266 5898646532 11797293064 16221277963 32442555926 64885111852 129770223704