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2315042440400 = 245231186696971
BaseRepresentation
bin100001101100000011010…
…010000100010011010000
322012022112021210000200102
4201230003102010103100
5300412201331043100
64531303225511532
7326153624030654
oct41540322042320
98168467700612
102315042440400
11812893117208
123148070425a8
1313a3cc94b591
1480097702a64
1540346085cd5
hex21b034844d0

2315042440400 has 60 divisors (see below), whose sum is σ = 5741305282944. Its totient is φ = 896145456000.

The previous prime is 2315042440387. The next prime is 2315042440409. The reversal of 2315042440400 is 40442405132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315042440409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93336086 + ... + 93360885.

Almost surely, 22315042440400 is an apocalyptic number.

2315042440400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315042440400 is an abundant number, since it is smaller than the sum of its proper divisors (3426262842544).

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

2315042440400 is a wasteful number, since it uses less digits than its factorization.

2315042440400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186697020 (or 186697009 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 2315042440400 its reverse (40442405132), we get a palindrome (2355484845532).

The spelling of 2315042440400 in words is "two trillion, three hundred fifteen billion, forty-two million, four hundred forty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 400 496 620 775 1240 1550 2480 3100 6200 12400 186696971 373393942 746787884 933484855 1493575768 1866969710 2987151536 3733939420 4667424275 5787606101 7467878840 9334848550 11575212202 14935757680 18669697100 23150424404 28938030505 37339394200 46300848808 57876061010 74678788400 92601697616 115752122020 144690152525 231504244040 289380305050 463008488080 578760610100 1157521220200 2315042440400