Search a number
-
+
103020512429 is a prime number
BaseRepresentation
bin101111111110010000…
…0000100010010101101
3100211220200021021100102
41133330200010102231
53141441222344204
6115154343040445
710304641623122
oct1377440042255
9324820237312
10103020512429
113a76643686a
1217b71440125
13993a5266c3
144db4286749
152a2e4d141e
hex17fc8044ad

103020512429 has 2 divisors, whose sum is σ = 103020512430. Its totient is φ = 103020512428.

The previous prime is 103020512417. The next prime is 103020512471. The reversal of 103020512429 is 924215020301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79706276329 + 23314236100 = 282323^2 + 152690^2 .

It is a cyclic number.

It is not a de Polignac number, because 103020512429 - 28 = 103020512173 is a prime.

It is a super-2 number, since 2×1030205124292 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103020512729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510256214 + 51510256215.

It is an arithmetic number, because the mean of its divisors is an integer number (51510256215).

Almost surely, 2103020512429 is an apocalyptic number.

It is an amenable number.

103020512429 is a deficient number, since it is larger than the sum of its proper divisors (1).

103020512429 is an equidigital number, since it uses as much as digits as its factorization.

103020512429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 103020512429 in words is "one hundred three billion, twenty million, five hundred twelve thousand, four hundred twenty-nine".