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15014131400 = 23521713732233
BaseRepresentation
bin11011111101110100…
…10111011011001000
31102202100201220022202
431332322113123020
5221222104201100
610521500535332
71041031003562
oct157672273310
942670656282
1015014131400
1164050a4164
122ab0251548
131553756228
14a26062332
155cd1a67d5
hex37ee976c8

15014131400 has 96 divisors (see below), whose sum is σ = 37232204040. Its totient is φ = 5610946560.

The previous prime is 15014131393. The next prime is 15014131403. The reversal of 15014131400 is 413141051.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 4297326916 + 10716804484 = 65554^2 + 103522^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (15014131403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449684 + ... + 481916.

Almost surely, 215014131400 is an apocalyptic number.

15014131400 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 15014131400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18616102020).

15014131400 is an abundant number, since it is smaller than the sum of its proper divisors (22218072640).

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

15014131400 is a wasteful number, since it uses less digits than its factorization.

15014131400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32403 (or 32394 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 15014131400 its reverse (413141051), we get a palindrome (15427272451).

The spelling of 15014131400 in words is "fifteen billion, fourteen million, one hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 137 170 200 274 340 425 548 680 685 850 1096 1370 1700 2329 2740 3400 3425 4658 5480 6850 9316 11645 13700 18632 23290 27400 32233 46580 58225 64466 93160 116450 128932 161165 232900 257864 322330 465800 547961 644660 805825 1095922 1289320 1611650 2191844 2739805 3223300 4383688 4415921 5479610 6446600 8831842 10959220 13699025 17663684 21918440 22079605 27398050 35327368 44159210 54796100 75070657 88318420 109592200 110398025 150141314 176636840 220796050 300282628 375353285 441592100 600565256 750706570 883184200 1501413140 1876766425 3002826280 3753532850 7507065700 15014131400