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12500153200 = 2452191644757
BaseRepresentation
bin10111010010001000…
…10011001101110000
31012021011020120120001
423221010103031300
5201100014400300
65424213355344
7621523356223
oct135104231560
935234216501
1012500153200
115335013127
12250a338b54
131242971572
148682135ba
154d261916a
hex2e9113370

12500153200 has 60 divisors (see below), whose sum is σ = 31612248760. Its totient is φ = 4736897280.

The previous prime is 12500153189. The next prime is 12500153231. The reversal of 12500153200 is 235100521.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 814779 + ... + 829978.

Almost surely, 212500153200 is an apocalyptic number.

12500153200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12500153200 is an abundant number, since it is smaller than the sum of its proper divisors (19112095560).

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

12500153200 is a wasteful number, since it uses less digits than its factorization.

12500153200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644794 (or 1644783 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 12500153200 its reverse (235100521), we get a palindrome (12735253721).

The spelling of 12500153200 in words is "twelve billion, five hundred million, one hundred fifty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 152 190 200 304 380 400 475 760 950 1520 1900 3800 7600 1644757 3289514 6579028 8223785 13158056 16447570 26316112 31250383 32895140 41118925 62500766 65790280 82237850 125001532 131580560 156251915 164475700 250003064 312503830 328951400 500006128 625007660 657902800 781259575 1250015320 1562519150 2500030640 3125038300 6250076600 12500153200