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202315461420 = 223519177469703
BaseRepresentation
bin1011110001101011110…
…0001111001100101100
3201100012201020022102210
42330122330033030230
511303320224231140
6232535322250420
720421365022252
oct2743274171454
9640181208383
10202315461420
117888a892686
1233263056a10
1316102c489a7
149b138165d2
1553e189bd80
hex2f1af0f32c

202315461420 has 48 divisors (see below), whose sum is σ = 596298205440. Its totient is φ = 51111274176.

The previous prime is 202315461419. The next prime is 202315461457. The reversal of 202315461420 is 24164513202.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 88733712 + ... + 88735991.

It is an arithmetic number, because the mean of its divisors is an integer number (12422879280).

Almost surely, 2202315461420 is an apocalyptic number.

202315461420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202315461420 is an abundant number, since it is smaller than the sum of its proper divisors (393982744020).

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

202315461420 is a wasteful number, since it uses less digits than its factorization.

202315461420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177469734 (or 177469732 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 202315461420 its reverse (24164513202), we get a palindrome (226479974622).

The spelling of 202315461420 in words is "two hundred two billion, three hundred fifteen million, four hundred sixty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 177469703 354939406 532409109 709878812 887348515 1064818218 1774697030 2129636436 2662045545 3371924357 3549394060 5324091090 6743848714 10115773071 10648182180 13487697428 16859621785 20231546142 33719243570 40463092284 50578865355 67438487140 101157730710 202315461420