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2692638137476 = 22721172092
BaseRepresentation
bin100111001011101101101…
…111010101110010000100
3100112102011120200212212001
4213023231233111302010
5323104010330344401
65420551512035044
7365352040350400
oct47135557256204
910472146625761
102692638137476
11948a3a039181
12375a27092a84
13166bb774a931
1494478160100
154a095adc601
hex272edbd5c84

2692638137476 has 27 divisors (see below), whose sum is σ = 5481488689509. Its totient is φ = 1153977927648.

The previous prime is 2692638137473. The next prime is 2692638137477. The reversal of 2692638137476 is 6747318362962.

The square root of 2692638137476 is 1640926.

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., 307219667076 + 2385418470400 = 554274^2 + 1544480^2 .

It is not an unprimeable number, because it can be changed into a prime (2692638137473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22914360 + ... + 23031568.

Almost surely, 22692638137476 is an apocalyptic number.

2692638137476 is the 1640926-th square number.

It is an amenable number.

2692638137476 is an abundant number, since it is smaller than the sum of its proper divisors (2788850552033).

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

2692638137476 is an frugal number, since it uses more digits than its factorization.

2692638137476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234436 (or 117218 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 64.

Multiplying 2692638137476 by its sum of digits (64), we get a square (172328840798464 = 131274082).

The spelling of 2692638137476 in words is "two trillion, six hundred ninety-two billion, six hundred thirty-eight million, one hundred thirty-seven thousand, four hundred seventy-six".

Divisors: 1 2 4 7 14 28 49 98 196 117209 234418 468836 820463 1640926 3281852 5743241 11486482 22972964 13737949681 27475899362 54951798724 96165647767 192331295534 384662591068 673159534369 1346319068738 2692638137476