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1372222115020 = 22519113173184721
BaseRepresentation
bin10011111101111110110…
…011111100110011001100
311212011221112000000212001
4103331332303330303030
5134440302330140040
62530220134122044
7201065641345441
oct23757663746314
94764845000761
101372222115020
11489a57679159
121a1b424b0324
139c527a17443
144a5b73579c8
1525a6467059a
hex13f7ecfcccc

1372222115020 has 96 divisors (see below), whose sum is σ = 3077882297280. Its totient is φ = 512416235520.

The previous prime is 1372222115003. The next prime is 1372222115023. The reversal of 1372222115020 is 205112222731.

It is a self number, because there is not a number n which added to its sum of digits gives 1372222115020.

It is not an unprimeable number, because it can be changed into a prime (1372222115023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7336260 + ... + 7520980.

It is an arithmetic number, because the mean of its divisors is an integer number (32061273930).

Almost surely, 21372222115020 is an apocalyptic number.

1372222115020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372222115020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538941148640).

1372222115020 is an abundant number, since it is smaller than the sum of its proper divisors (1705660182260).

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

1372222115020 is a wasteful number, since it uses less digits than its factorization.

1372222115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185035 (or 185033 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 1372222115020 its reverse (205112222731), we get a palindrome (1577334337751).

The spelling of 1372222115020 in words is "one trillion, three hundred seventy-two billion, two hundred twenty-two million, one hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 113 173 190 226 346 380 452 565 692 865 1130 1730 2147 2260 3287 3460 4294 6574 8588 10735 13148 16435 19549 21470 32870 39098 42940 65740 78196 97745 184721 195490 369442 371431 390980 738884 742862 923605 1485724 1847210 1857155 3509699 3694420 3714310 7019398 7428620 14038796 17548495 20873473 31956733 35096990 41746946 63913466 70193980 83493892 104367365 127826932 159783665 208734730 319567330 396595987 417469460 607177927 639134660 793191974 1214355854 1586383948 1982979935 2428711708 3035889635 3611110829 3965959870 6071779270 7222221658 7931919740 12143558540 14444443316 18055554145 36111108290 68611105751 72222216580 137222211502 274444423004 343055528755 686111057510 1372222115020