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1002152011431 = 31791866204863
BaseRepresentation
bin11101001010101001110…
…10100010011010100111
310112210201200210221012010
432211110322202122213
5112404401403331211
62044214323325303
7132255155355564
oct16452472423247
93483650727163
101002152011431
11357012758a3a
12142282820833
137366c09749c
143670c19186b
151b1056544a6
hexe954ea26a7

1002152011431 has 8 divisors (see below), whose sum is σ = 1343667502080. Its totient is φ = 664368930872.

The previous prime is 1002152011429. The next prime is 1002152011447. The reversal of 1002152011431 is 1341102512001.

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 1002152011431 - 21 = 1002152011429 is a prime.

It is a super-2 number, since 2×10021520114312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002152011398 and 1002152011407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002152011451) 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, 933101895 + ... + 933102968.

It is an arithmetic number, because the mean of its divisors is an integer number (167958437760).

Almost surely, 21002152011431 is an apocalyptic number.

1002152011431 is a deficient number, since it is larger than the sum of its proper divisors (341515490649).

1002152011431 is a wasteful number, since it uses less digits than its factorization.

1002152011431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866205045.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 1002152011431 its reverse (1341102512001), we get a palindrome (2343254523432).

The spelling of 1002152011431 in words is "one trillion, two billion, one hundred fifty-two million, eleven thousand, four hundred thirty-one".

Divisors: 1 3 179 537 1866204863 5598614589 334050670477 1002152011431