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207488141420 = 22572364437311
BaseRepresentation
bin1100000100111101000…
…0011100100001101100
3201211120012112200102112
43001033100130201230
511344413431011140
6235152502543152
720663515050050
oct3011720344154
9654505480375
10207488141420
117aaa471272a
1234267437ab8
13167487b76a1
14a0847c7c60
1555e5a62c65
hex304f41c86c

207488141420 has 48 divisors (see below), whose sum is σ = 519622483968. Its totient is φ = 68045799360.

The previous prime is 207488141407. The next prime is 207488141449. The reversal of 207488141420 is 24141884702.

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, 32215436 + ... + 32221875.

It is an arithmetic number, because the mean of its divisors is an integer number (10825468416).

Almost surely, 2207488141420 is an apocalyptic number.

207488141420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207488141420 is an abundant number, since it is smaller than the sum of its proper divisors (312134342548).

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

207488141420 is a wasteful number, since it uses less digits than its factorization.

207488141420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64437350 (or 64437348 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The spelling of 207488141420 in words is "two hundred seven billion, four hundred eighty-eight million, one hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 64437311 128874622 257749244 322186555 451061177 644373110 902122354 1288746220 1482058153 1804244708 2255305885 2964116306 4510611770 5928232612 7410290765 9021223540 10374407071 14820581530 20748814142 29641163060 41497628284 51872035355 103744070710 207488141420