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2151310005420 = 223537969058561
BaseRepresentation
bin11111010011100100000…
…100011001010010101100
321121122220111022112102220
4133103210010121102230
5240221340330133140
64324144223315340
7311266316221062
oct37234404312254
97548814275386
102151310005420
1175a402460444
122a8b3144bb50
13127b38342964
14761a4208032
153ae61ac6bd0
hex1f4e41194ac

2151310005420 has 48 divisors (see below), whose sum is σ = 6186469859808. Its totient is φ = 558177730560.

The previous prime is 2151310005401. The next prime is 2151310005431. The reversal of 2151310005420 is 245000131512.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484527061 + ... + 484531500.

It is an arithmetic number, because the mean of its divisors is an integer number (128884788746).

Almost surely, 22151310005420 is an apocalyptic number.

2151310005420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151310005420 is an abundant number, since it is smaller than the sum of its proper divisors (4035159854388).

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

2151310005420 is a wasteful number, since it uses less digits than its factorization.

2151310005420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969058610 (or 969058608 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 2151310005420 its reverse (245000131512), we get a palindrome (2396310136932).

The spelling of 2151310005420 in words is "two trillion, one hundred fifty-one billion, three hundred ten million, five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 969058561 1938117122 2907175683 3876234244 4845292805 5814351366 9690585610 11628702732 14535878415 19381171220 29071756830 35855166757 58143513660 71710333514 107565500271 143420667028 179275833785 215131000542 358551667570 430262001084 537827501355 717103335140 1075655002710 2151310005420