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120700072 = 2315087509
BaseRepresentation
bin1110011000110…
…11110010101000
322102010012101001
413030123302220
5221344400242
615551004344
72663635153
oct714336250
9272105331
10120700072
116214a829
12345096b4
131c01077c
141205cc9a
15a8e2eb7
hex731bca8

120700072 has 8 divisors (see below), whose sum is σ = 226312650. Its totient is φ = 60350032.

The previous prime is 120700057. The next prime is 120700091. The reversal of 120700072 is 270007021.

It can be written as a sum of positive squares in only one way, i.e., 80174116 + 40525956 = 8954^2 + 6366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7543747 + ... + 7543762.

Almost surely, 2120700072 is an apocalyptic number.

It is an amenable number.

120700072 is a deficient number, since it is larger than the sum of its proper divisors (105612578).

120700072 is a wasteful number, since it uses less digits than its factorization.

120700072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15087515 (or 15087511 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 120700072 is about 10986.3584503693. The cubic root of 120700072 is about 494.1997367437.

Adding to 120700072 its reverse (270007021), we get a palindrome (390707093).

The spelling of 120700072 in words is "one hundred twenty million, seven hundred thousand, seventy-two".

Divisors: 1 2 4 8 15087509 30175018 60350036 120700072