Search a number
-
+
16307453970 = 2325181193933
BaseRepresentation
bin11110011000000000…
…00000000000010010
31120002111100111100200
433030000000000102
5231344202011340
611254101200030
71115054033403
oct171400000022
946074314320
1016307453970
116a09150595
1231b1400016
1316cb693a62
14b09b259aa
156569c8330
hex3cc000012

16307453970 has 24 divisors (see below), whose sum is σ = 42399380556. Its totient is φ = 4348654368.

The previous prime is 16307453947. The next prime is 16307453977. The reversal of 16307453970 is 7935470361.

16307453970 is a `hidden beast` number, since 1 + 630 + 7 + 4 + 5 + 3 + 9 + 7 + 0 = 666.

16307453970 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16052636601 + 254817369 = 126699^2 + 15963^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16307453977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90596877 + ... + 90597056.

Almost surely, 216307453970 is an apocalyptic number.

16307453970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16307453970 is an abundant number, since it is smaller than the sum of its proper divisors (26091926586).

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

16307453970 is a wasteful number, since it uses less digits than its factorization.

16307453970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181193946 (or 181193943 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 16307453970 in words is "sixteen billion, three hundred seven million, four hundred fifty-three thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 181193933 362387866 543581799 905969665 1087163598 1630745397 1811939330 2717908995 3261490794 5435817990 8153726985 16307453970