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2912021742 = 237165741843
BaseRepresentation
bin1010110110010001…
…1110110011101110
321111221111000212010
42231210132303232
521430434143432
61200542422050
7132106530210
oct25544366356
97457430763
102912021742
111264840043
12693291926
133753bc8b6
141d8a645b0
151209b63cc
hexad91ecee

2912021742 has 32 divisors (see below), whose sum is σ = 6660225792. Its totient is φ = 831484224.

The previous prime is 2912021729. The next prime is 2912021753. The reversal of 2912021742 is 2471202192.

It is a congruent 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, 48673 + ... + 90515.

It is an arithmetic number, because the mean of its divisors is an integer number (208132056).

Almost surely, 22912021742 is an apocalyptic number.

2912021742 is an abundant number, since it is smaller than the sum of its proper divisors (3748204050).

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

2912021742 is a wasteful number, since it uses less digits than its factorization.

2912021742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43512.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2912021742 is about 53963.1517055852. The cubic root of 2912021742 is about 1428.0109503746.

The spelling of 2912021742 in words is "two billion, nine hundred twelve million, twenty-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 1657 3314 4971 9942 11599 23198 34797 41843 69594 83686 125529 251058 292901 585802 878703 1757406 69333851 138667702 208001553 416003106 485336957 970673914 1456010871 2912021742