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214397253280 = 2557587932561
BaseRepresentation
bin1100011110101100010…
…0100111011010100000
3202111101201020221010101
43013223010213122200
512003041144101110
6242254233112144
721326651404240
oct3075304473240
9674351227111
10214397253280
1182a1a729731
1235675258654
13172aa01a362
14a53c245b20
15589c3c713a
hex31eb1276a0

214397253280 has 96 divisors (see below), whose sum is σ = 578988829440. Its totient is φ = 73492869120.

The previous prime is 214397253277. The next prime is 214397253349. The reversal of 214397253280 is 82352793412.

It is a self number, because there is not a number n which added to its sum of digits gives 214397253280.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6568200 + ... + 6600760.

It is an arithmetic number, because the mean of its divisors is an integer number (6031133640).

Almost surely, 2214397253280 is an apocalyptic number.

214397253280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214397253280 is an abundant number, since it is smaller than the sum of its proper divisors (364591576160).

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

214397253280 is a wasteful number, since it uses less digits than its factorization.

214397253280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38462 (or 38454 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 214397253280 in words is "two hundred fourteen billion, three hundred ninety-seven million, two hundred fifty-three thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 5879 11758 23516 29395 32561 41153 47032 58790 65122 82306 94064 117580 130244 162805 164612 188128 205765 227927 235160 260488 325610 329224 411530 455854 470320 520976 651220 658448 823060 911708 940640 1041952 1139635 1302440 1316896 1646120 1823416 2279270 2604880 3292240 3646832 4558540 5209760 6584480 7293664 9117080 18234160 36468320 191426119 382852238 765704476 957130595 1339982833 1531408952 1914261190 2679965666 3062817904 3828522380 5359931332 6125635808 6699914165 7657044760 10719862664 13399828330 15314089520 21439725328 26799656660 30628179040 42879450656 53599313320 107198626640 214397253280