Search a number
-
+
30606625553 = 7475313113399
BaseRepresentation
bin11100100000010011…
…000000101100010001
32221000000202200012012
4130200103000230101
51000140244004203
622021022112305
72132314011320
oct344023005421
987000680165
1030606625553
1111a86707869
125b2211b695
132b69c7062a
1416a4c380b7
15be2004bd8
hex7204c0b11

30606625553 has 32 divisors (see below), whose sum is σ = 36677836800. Its totient is φ = 24997452480.

The previous prime is 30606625547. The next prime is 30606625559. The reversal of 30606625553 is 35552660603.

It is an interprime number because it is at equal distance from previous prime (30606625547) and next prime (30606625559).

It is not a de Polignac number, because 30606625553 - 212 = 30606621457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30606625553.

It is not an unprimeable number, because it can be changed into a prime (30606625559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2277548 + ... + 2290946.

It is an arithmetic number, because the mean of its divisors is an integer number (1146182400).

Almost surely, 230606625553 is an apocalyptic number.

It is an amenable number.

30606625553 is a deficient number, since it is larger than the sum of its proper divisors (6071211247).

30606625553 is a wasteful number, since it uses less digits than its factorization.

30606625553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13637.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 30606625553 in words is "thirty billion, six hundred six million, six hundred twenty-five thousand, five hundred fifty-three".

Divisors: 1 7 47 53 131 329 371 917 2491 6157 6943 13399 17437 43099 48601 93793 326321 629753 710147 1755269 2284247 4408271 4971029 12286883 33376909 82497643 93029257 233638363 577483501 651204799 4372375079 30606625553