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103021143425 = 5259431162053
BaseRepresentation
bin101111111110010001…
…0011110010110000001
3100211220201110022220122
41133330202132112001
53141441403042200
6115154404350025
710304650161554
oct1377442362601
9324821408818
10103021143425
113a766827952
1217b716a5315
13993a6b7985
144db43ac69b
152a2e5a8385
hex17fc89e581

103021143425 has 24 divisors (see below), whose sum is σ = 130213630080. Its totient is φ = 80831537600.

The previous prime is 103021143391. The next prime is 103021143451. The reversal of 103021143425 is 524341120301.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-103021143425 is a prime.

It is a super-2 number, since 2×1030211434252 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103021143394 and 103021143403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554699 + ... + 716751.

It is an arithmetic number, because the mean of its divisors is an integer number (5425567920).

Almost surely, 2103021143425 is an apocalyptic number.

It is an amenable number.

103021143425 is a deficient number, since it is larger than the sum of its proper divisors (27192486655).

103021143425 is a wasteful number, since it uses less digits than its factorization.

103021143425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162553 (or 162548 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 103021143425 its reverse (524341120301), we get a palindrome (627362263726).

The spelling of 103021143425 in words is "one hundred three billion, twenty-one million, one hundred forty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 59 295 431 1475 2155 10775 25429 127145 162053 635725 810265 4051325 9561127 47805635 69844843 239028175 349224215 1746121075 4120845737 20604228685 103021143425