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29403820755841 = 72139255732
BaseRepresentation
bin1101010111110000111000…
…10010101000101110000001
310212002222101211021012200111
412223320130102220232001
512323223011103141331
6142311532340551321
76123233042415100
oct653703422505601
9125088354235614
1029403820755841
1194070aa295a14
12336a7a80b2541
1313539cb23561c
1473921c71c037
1535ecda5c6db1
hex1abe1c4a8b81

29403820755841 has 27 divisors (see below), whose sum is σ = 34458473128131. Its totient is φ = 25017466554864.

The previous prime is 29403820755779. The next prime is 29403820755847. The reversal of 29403820755841 is 14855702830492.

The square root of 29403820755841 is 5422529.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1262960154225 + 28140860601616 = 1123815^2 + 5304796^2 .

It is not a de Polignac number, because 29403820755841 - 221 = 29403818658689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29403820755847) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5276117931 + ... + 5276123503.

Almost surely, 229403820755841 is an apocalyptic number.

29403820755841 is the 5422529-th square number.

29403820755841 is the 2711265-th centered octagonal number.

It is an amenable number.

29403820755841 is a deficient number, since it is larger than the sum of its proper divisors (5054652372290).

29403820755841 is an frugal number, since it uses more digits than its factorization.

29403820755841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438 (or 5719 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 29403820755841 in words is "twenty-nine trillion, four hundred three billion, eight hundred twenty million, seven hundred fifty-five thousand, eight hundred forty-one".

Divisors: 1 7 49 139 973 5573 6811 19321 39011 135247 273077 774647 946729 5422529 31058329 37957703 107675933 217408303 753731531 1521858121 4317107731 5276120717 30219754117 211538278819 600077974609 4200545822263 29403820755841