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2693930986 = 21346965493
BaseRepresentation
bin1010000010010010…
…0001111111101010
320221202002212120201
42200210201333222
521004121242421
61123152142414
7123521015125
oct24044417752
96852085521
102693930986
11116272124a
12632237a0a
1333c170206
141b7ad33bc
1510b786b91
hexa0921fea

2693930986 has 4 divisors (see below), whose sum is σ = 4040896482. Its totient is φ = 1346965492.

The previous prime is 2693930971. The next prime is 2693930999. The reversal of 2693930986 is 6890393962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6890393962 = 23445196981.

It can be written as a sum of positive squares in only one way, i.e., 1625621761 + 1068309225 = 40319^2 + 32685^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673482745 + ... + 673482748.

Almost surely, 22693930986 is an apocalyptic number.

2693930986 is a deficient number, since it is larger than the sum of its proper divisors (1346965496).

2693930986 is a wasteful number, since it uses less digits than its factorization.

2693930986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346965495.

The product of its (nonzero) digits is 3779136, while the sum is 55.

The square root of 2693930986 is about 51903.0922585543. The cubic root of 2693930986 is about 1391.4325389508.

The spelling of 2693930986 in words is "two billion, six hundred ninety-three million, nine hundred thirty thousand, nine hundred eighty-six".

Divisors: 1 2 1346965493 2693930986