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1022152055431 = 13475928354519
BaseRepresentation
bin11101101111111010000…
…00101001101010000111
310121201100112102102210111
432313331000221222013
5113221331411233211
62101323053533451
7133563611055013
oct16677500515207
93551315372714
101022152055431
11364546208021
121461247a4287
1375508789150
1437688489543
151b8c63cd421
hexedfd029a87

1022152055431 has 16 divisors (see below), whose sum is σ = 1143254246400. Its totient is φ = 907798248288.

The previous prime is 1022152055413. The next prime is 1022152055459. The reversal of 1022152055431 is 1345502512201.

It is a cyclic number.

It is not a de Polignac number, because 1022152055431 - 29 = 1022152054919 is a prime.

It is a super-2 number, since 2×10221520554312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022152055393 and 1022152055402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022152055401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14141211 + ... + 14213308.

It is an arithmetic number, because the mean of its divisors is an integer number (71453390400).

Almost surely, 21022152055431 is an apocalyptic number.

1022152055431 is a deficient number, since it is larger than the sum of its proper divisors (121102190969).

1022152055431 is a wasteful number, since it uses less digits than its factorization.

1022152055431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28354638.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1022152055431 its reverse (1345502512201), we get a palindrome (2367654567632).

The spelling of 1022152055431 in words is "one trillion, twenty-two billion, one hundred fifty-two million, fifty-five thousand, four hundred thirty-one".

Divisors: 1 13 47 59 611 767 2773 36049 28354519 368608747 1332662393 1672916621 17324611109 21747916073 78627081187 1022152055431