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12651332500480 = 210517145350787
BaseRepresentation
bin1011100000011001111000…
…1011011111110000000000
31122210110022010002100221011
42320012132023133300000
53124234412110003410
642523535242010304
72444012545635232
oct270063613376000
948713263070834
1012651332500480
114038444416813
121503ab57a6994
1370a028193c1b
1431a483534252
1516e1545e318a
hexb819e2dfc00

12651332500480 has 88 divisors (see below), whose sum is σ = 32133570807888. Its totient is φ = 4762854555648.

The previous prime is 12651332500451. The next prime is 12651332500489. The reversal of 12651332500480 is 8400523315621.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651332500489) 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, 72588354 + ... + 72762433.

It is an arithmetic number, because the mean of its divisors is an integer number (365154213726).

Almost surely, 212651332500480 is an apocalyptic number.

12651332500480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12651332500480 is an abundant number, since it is smaller than the sum of its proper divisors (19482238307408).

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

12651332500480 is a wasteful number, since it uses less digits than its factorization.

12651332500480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145350829 (or 145350811 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 12651332500480 in words is "twelve trillion, six hundred fifty-one billion, three hundred thirty-two million, five hundred thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 512 544 640 680 1024 1088 1280 1360 2176 2560 2720 4352 5120 5440 8704 10880 17408 21760 43520 87040 145350787 290701574 581403148 726753935 1162806296 1453507870 2325612592 2470963379 2907015740 4651225184 4941926758 5814031480 9302450368 9883853516 11628062960 12354816895 18604900736 19767707032 23256125920 24709633790 37209801472 39535414064 46512251840 49419267580 74419602944 79070828128 93024503680 98838535160 148839205888 158141656256 186049007360 197677070320 316283312512 372098014720 395354140640 632566625024 744196029440 790708281280 1265133250048 1581416562560 2530266500096 3162833125120 6325666250240 12651332500480