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7137343890 = 233540016607
BaseRepresentation
bin1101010010110101…
…10011100110010010
3200102102011122012000
412221122303212102
5104104130001030
63140122014430
7341604264525
oct65132634622
920372148160
107137343890
113032932116
121472347416
138998c3311
144b9cacbbc
152bb8e8860
hex1a96b3992

7137343890 has 64 divisors (see below), whose sum is σ = 19040555520. Its totient is φ = 1902528000.

The previous prime is 7137343819. The next prime is 7137343891. The reversal of 7137343890 is 983437317.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7137343891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1076967 + ... + 1083573.

It is an arithmetic number, because the mean of its divisors is an integer number (297508680).

Almost surely, 27137343890 is an apocalyptic number.

7137343890 is an abundant number, since it is smaller than the sum of its proper divisors (11903211630).

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

7137343890 is a wasteful number, since it uses less digits than its factorization.

7137343890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624 (or 10618 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 7137343890 is about 84482.8023327825. The cubic root of 7137343890 is about 1925.3611636963.

The spelling of 7137343890 in words is "seven billion, one hundred thirty-seven million, three hundred forty-three thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 4001 6607 8002 12003 13214 19821 20005 24006 33035 36009 39642 40010 59463 60015 66070 72018 99105 108027 118926 120030 178389 180045 198210 216054 297315 356778 360090 540135 594630 891945 1080270 1783890 26434607 52869214 79303821 132173035 158607642 237911463 264346070 396519105 475822926 713734389 793038210 1189557315 1427468778 2379114630 3568671945 7137343890