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2142461552 = 2471112713693
BaseRepresentation
bin111111110110011…
…0101111001110000
312112022102022201212
41333230311321300
513341432232202
6552332215252
7104043423410
oct17754657160
95468368655
102142461552
119aa400090
124b960a528
13281b36c3a
14164780640
15c8153652
hex7fb35e70

2142461552 has 80 divisors (see below), whose sum is σ = 5216428032. Its totient is φ = 828092160.

The previous prime is 2142461551. The next prime is 2142461617. The reversal of 2142461552 is 2551642412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142461551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149618 + ... + 163310.

Almost surely, 22142461552 is an apocalyptic number.

2142461552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142461552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2608214016).

2142461552 is an abundant number, since it is smaller than the sum of its proper divisors (3073966480).

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

2142461552 is a wasteful number, since it uses less digits than its factorization.

2142461552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13846 (or 13840 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2142461552 is about 46286.7319217937. The cubic root of 2142461552 is about 1289.1526498687.

The spelling of 2142461552 in words is "two billion, one hundred forty-two million, four hundred sixty-one thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 127 154 176 254 308 508 616 889 1016 1232 1397 1778 2032 2794 3556 5588 7112 9779 11176 13693 14224 19558 22352 27386 39116 54772 78232 95851 109544 150623 156464 191702 219088 301246 383404 602492 766808 1054361 1204984 1533616 1739011 2108722 2409968 3478022 4217444 6956044 8434888 12173077 13912088 16869776 19129121 24346154 27824176 38258242 48692308 76516484 97384616 133903847 153032968 194769232 267807694 306065936 535615388 1071230776 2142461552