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102420500203 = 788799164771
BaseRepresentation
bin101111101100010111…
…1001100111011101011
3100210100212020111022101
41133120233030323223
53134224122001303
6115015030434231
710254034613260
oct1373057147353
9323325214271
10102420500203
113a48877a79a
1217a24502977
139873125398
144d586d9267
1529e69aed1d
hex17d8bcceeb

102420500203 has 8 divisors (see below), whose sum is σ = 117054028800. Its totient is φ = 87787478760.

The previous prime is 102420500197. The next prime is 102420500263. The reversal of 102420500203 is 302005024201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102420500203 - 221 = 102418403051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102420500263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539208 + ... + 703978.

It is an arithmetic number, because the mean of its divisors is an integer number (14631753600).

Almost surely, 2102420500203 is an apocalyptic number.

102420500203 is a deficient number, since it is larger than the sum of its proper divisors (14633528597).

102420500203 is an equidigital number, since it uses as much as digits as its factorization.

102420500203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253577.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 102420500203 its reverse (302005024201), we get a palindrome (404425524404).

The spelling of 102420500203 in words is "one hundred two billion, four hundred twenty million, five hundred thousand, two hundred three".

Divisors: 1 7 88799 164771 621593 1153397 14631500029 102420500203