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2147969672 = 23977274817
BaseRepresentation
bin1000000000000111…
…0110101010001000
312112200210011110022
42000001312222020
513344340012142
6553050240012
7104141304152
oct20001665210
95480704408
102147969672
11a02522452
124bb426008
13283015094
141653b5ad2
15c88906d2
hex80076a88

2147969672 has 16 divisors (see below), whose sum is σ = 4031580060. Its totient is φ = 1072881664.

The previous prime is 2147969671. The next prime is 2147969713. The reversal of 2147969672 is 2769697412.

It can be written as a sum of positive squares in 2 ways, for example, as 2147951716 + 17956 = 46346^2 + 134^2 .

It is a super-2 number, since 2×21479696722 = 9227547423663575168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147969671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129593 + ... + 145224.

Almost surely, 22147969672 is an apocalyptic number.

It is an amenable number.

2147969672 is a deficient number, since it is larger than the sum of its proper divisors (1883610388).

2147969672 is a wasteful number, since it uses less digits than its factorization.

2147969672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275800 (or 275796 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The square root of 2147969672 is about 46346.1937164208. The cubic root of 2147969672 is about 1290.2564784588.

The spelling of 2147969672 in words is "two billion, one hundred forty-seven million, nine hundred sixty-nine thousand, six hundred seventy-two".

Divisors: 1 2 4 8 977 1954 3908 7816 274817 549634 1099268 2198536 268496209 536992418 1073984836 2147969672