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1490453409012 = 223523123743921
BaseRepresentation
bin10101101100000101111…
…100100010110011110100
312021111010021001001211120
4111230011330202303310
5143404422033042022
63100412125103540
7212452552641531
oct25540574426364
95244107031746
101490453409012
11525109103277
12200a399b7bb0
13aa71a64a6b9
14521d1811d88
1528b841eed5c
hex15b05f22cf4

1490453409012 has 24 divisors (see below), whose sum is σ = 3478389597312. Its totient is φ = 496722806400.

The previous prime is 1490453408993. The next prime is 1490453409047. The reversal of 1490453409012 is 2109043540941.

It is a super-2 number, since 2×14904534090122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11809189 + ... + 11934732.

It is an arithmetic number, because the mean of its divisors is an integer number (144932899888).

Almost surely, 21490453409012 is an apocalyptic number.

1490453409012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1490453409012 is an abundant number, since it is smaller than the sum of its proper divisors (1987936188300).

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

1490453409012 is a wasteful number, since it uses less digits than its factorization.

1490453409012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23749159 (or 23749157 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

Adding to 1490453409012 its reverse (2109043540941), we get a palindrome (3599496949953).

The spelling of 1490453409012 in words is "one trillion, four hundred ninety billion, four hundred fifty-three million, four hundred nine thousand, twelve".

Divisors: 1 2 3 4 6 12 5231 10462 15693 20924 31386 62772 23743921 47487842 71231763 94975684 142463526 284927052 124204450751 248408901502 372613352253 496817803004 745226704506 1490453409012