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10202144303420 = 2253164316120697
BaseRepresentation
bin1001010001110101111100…
…1011111110100100111100
31100010022111222101211121222
42110131133023332210330
52314122442420202140
633410444515012512
72102036434515626
oct224353713764474
940108458354558
1010202144303420
113283783543103
1211892b159a138
1359009a7a7a94
14273b01d0dc16
1512a5ab7815b5
hex9475f2fe93c

10202144303420 has 24 divisors (see below), whose sum is σ = 21425181435504. Its totient is φ = 4080728502656.

The previous prime is 10202144303401. The next prime is 10202144303423. The reversal of 10202144303420 is 2430344120201.

It is a self number, because there is not a number n which added to its sum of digits gives 10202144303420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202144303423) 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, 7427489 + ... + 8693208.

It is an arithmetic number, because the mean of its divisors is an integer number (892715893146).

Almost surely, 210202144303420 is an apocalyptic number.

10202144303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202144303420 is an abundant number, since it is smaller than the sum of its proper divisors (11223037132084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10202144303420 is a wasteful number, since it uses less digits than its factorization.

10202144303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16152349 (or 16152347 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 10202144303420 its reverse (2430344120201), we get a palindrome (12632488423621).

The spelling of 10202144303420 in words is "ten trillion, two hundred two billion, one hundred forty-four million, three hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31643 63286 126572 158215 316430 632860 16120697 32241394 64482788 80603485 161206970 322413940 510107215171 1020214430342 2040428860684 2550536075855 5101072151710 10202144303420