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20141286400 = 210528872
BaseRepresentation
bin10010110000100000…
…111010010000000000
31220222200101100202101
4102300200322100000
5312222132131100
613130333400144
71312056052414
oct226040722000
956880340671
1020141286400
1185a625a644
123aa1339054
131b8ca45661
14d90d82d44
157cd37886a
hex4b083a400

20141286400 has 99 divisors (see below), whose sum is σ = 49982350249. Its totient is φ = 8047431680.

The previous prime is 20141286349. The next prime is 20141286463. The reversal of 20141286400 is 468214102.

The square root of 20141286400 is 141920.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7250863104 + 12890423296 = 85152^2 + 113536^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22706757 + ... + 22707643.

Almost surely, 220141286400 is an apocalyptic number.

20141286400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

20141286400 is the 141920-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20141286400

20141286400 is an abundant number, since it is smaller than the sum of its proper divisors (29841063849).

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

20141286400 is an frugal number, since it uses more digits than its factorization.

20141286400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 20141286400 in words is "twenty billion, one hundred forty-one million, two hundred eighty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 887 1024 1280 1600 1774 2560 3200 3548 4435 5120 6400 7096 8870 12800 14192 17740 22175 25600 28384 35480 44350 56768 70960 88700 113536 141920 177400 227072 283840 354800 454144 567680 709600 786769 908288 1135360 1419200 1573538 2270720 2838400 3147076 3933845 4541440 5676800 6294152 7867690 11353600 12588304 15735380 19669225 22707200 25176608 31470760 39338450 50353216 62941520 78676900 100706432 125883040 157353800 201412864 251766080 314707600 402825728 503532160 629415200 805651456 1007064320 1258830400 2014128640 2517660800 4028257280 5035321600 10070643200 20141286400