Search a number
-
+
202132101440 = 2651687937423
BaseRepresentation
bin1011110001000000000…
…0110001100101000000
3201022201221012122211102
42330100000301211000
511302431304221230
6232505212233532
720414010341123
oct2742000614500
9638657178742
10202132101440
11787a6335605
123321176b8a8
13160a3c69669
149ad73263ba
1553d072d045
hex2f10031940

202132101440 has 56 divisors (see below), whose sum is σ = 481368445440. Its totient is φ = 80845890048.

The previous prime is 202132101433. The next prime is 202132101449. The reversal of 202132101440 is 44101231202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202132101449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5382569 + ... + 5419991.

Almost surely, 2202132101440 is an apocalyptic number.

202132101440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202132101440 is an abundant number, since it is smaller than the sum of its proper divisors (279236344000).

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

202132101440 is a wasteful number, since it uses less digits than its factorization.

202132101440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54319 (or 54309 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202132101440 its reverse (44101231202), we get a palindrome (246233332642).

The spelling of 202132101440 in words is "two hundred two billion, one hundred thirty-two million, one hundred one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 16879 33758 37423 67516 74846 84395 135032 149692 168790 187115 270064 299384 337580 374230 540128 598768 675160 748460 1080256 1197536 1350320 1496920 2395072 2700640 2993840 5401280 5987680 11975360 631662817 1263325634 2526651268 3158314085 5053302536 6316628170 10106605072 12633256340 20213210144 25266512680 40426420288 50533025360 101066050720 202132101440