Search a number
-
+
1491004701248 = 26434723114713
BaseRepresentation
bin10101101100100110110…
…011100011101001000000
312021112112200101121121112
4111230212303203221000
5143412034200414443
63100542541142452
7212502325564526
oct25544663435100
95245480347545
101491004701248
11525371313297
12200b7255aa28
13aa7a792111a
1452244b1a316
1528bb77eab18
hex15b26ce3a40

1491004701248 has 56 divisors (see below), whose sum is σ = 3028187134368. Its totient is φ = 728004566016.

The previous prime is 1491004701223. The next prime is 1491004701289. The reversal of 1491004701248 is 8421074001941.

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 7 ways as a sum of consecutive naturals, for example, 12940340 + ... + 13055052.

Almost surely, 21491004701248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1491004701248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514093567184).

1491004701248 is an abundant number, since it is smaller than the sum of its proper divisors (1537182433120).

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

1491004701248 is a wasteful number, since it uses less digits than its factorization.

1491004701248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119491 (or 119481 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 1491004701248 in words is "one trillion, four hundred ninety-one billion, four million, seven hundred one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 688 1376 2752 4723 9446 18892 37784 75568 114713 151136 203089 229426 302272 406178 458852 812356 917704 1624712 1835408 3249424 3670816 4932659 6498848 7341632 9865318 12997696 19730636 39461272 78922544 157845088 315690176 541789499 1083578998 2167157996 4334315992 8668631984 17337263968 23296948457 34674527936 46593896914 93187793828 186375587656 372751175312 745502350624 1491004701248