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1520130252432 = 243115934855033
BaseRepresentation
bin10110000111101110110…
…100101101111010010000
312101022201111020220201110
4112013232310231322100
5144401211321034212
63122201014533320
7214553146644111
oct26075664557220
95338644226643
101520130252432
11536757996a50
12206740667240
13b0469a9788c
1453808d7a208
152981e793a3c
hex161eed2de90

1520130252432 has 80 divisors (see below), whose sum is σ = 4291228611648. Its totient is φ = 459868631040.

The previous prime is 1520130252427. The next prime is 1520130252463. The reversal of 1520130252432 is 2342520310251.

It is a self number, because there is not a number n which added to its sum of digits gives 1520130252432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114413 + ... + 2740620.

Almost surely, 21520130252432 is an apocalyptic number.

1520130252432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1520130252432 is an abundant number, since it is smaller than the sum of its proper divisors (2771098359216).

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

1520130252432 is a wasteful number, since it uses less digits than its factorization.

1520130252432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855648 (or 4855642 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1520130252432 its reverse (2342520310251), we get a palindrome (3862650562683).

The spelling of 1520130252432 in words is "one trillion, five hundred twenty billion, one hundred thirty million, two hundred fifty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 593 1186 1779 2372 3558 4744 6523 7116 9488 13046 14232 19569 26092 28464 39138 52184 78276 104368 156552 313104 4855033 9710066 14565099 19420132 29130198 38840264 53405363 58260396 77680528 106810726 116520792 160216089 213621452 233041584 320432178 427242904 640864356 854485808 1281728712 2563457424 2879034569 5758069138 8637103707 11516138276 17274207414 23032276552 31669380259 34548414828 46064553104 63338760518 69096829656 95008140777 126677521036 138193659312 190016281554 253355042072 380032563108 506710084144 760065126216 1520130252432