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20462930501 = 1339314033
BaseRepresentation
bin10011000011101011…
…111000101001000101
31221211002121120111212
4103003223320221011
5313402002234001
613222303341205
71323043016336
oct230353705105
957732546455
1020462930501
118750877612
123b70bb1805
131c11581000
14dc198c28d
157eb7107bb
hex4c3af8a45

20462930501 has 8 divisors (see below), whose sum is σ = 22167400920. Its totient is φ = 18888856896.

The previous prime is 20462930483. The next prime is 20462930503. The reversal of 20462930501 is 10503926402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4270622500 + 16192308001 = 65350^2 + 127249^2 .

It is not a de Polignac number, because 20462930501 - 26 = 20462930437 is a prime.

It is a super-2 number, since 2×204629305012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462930503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654820 + ... + 4659213.

It is an arithmetic number, because the mean of its divisors is an integer number (2770925115).

Almost surely, 220462930501 is an apocalyptic number.

It is an amenable number.

20462930501 is a deficient number, since it is larger than the sum of its proper divisors (1704470419).

20462930501 is an frugal number, since it uses more digits than its factorization.

20462930501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314072 (or 9314046 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 20462930501 in words is "twenty billion, four hundred sixty-two million, nine hundred thirty thousand, five hundred one".

Divisors: 1 13 169 2197 9314033 121082429 1574071577 20462930501