Search a number
-
+
2690842707 = 337731011931
BaseRepresentation
bin1010000001100011…
…0000000001010011
320221112021222021000
42200120300001103
521002323431312
61123002033043
7123452533320
oct24030600123
96845258230
102690842707
111160a01a53
126311a8783
1333b62b627
141b752bb47
1510b376adc
hexa0630053

2690842707 has 64 divisors (see below), whose sum is σ = 4666475520. Its totient is φ = 1500768000.

The previous prime is 2690842663. The next prime is 2690842747. The reversal of 2690842707 is 7072480962.

It is not a de Polignac number, because 2690842707 - 27 = 2690842579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2690842747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1392532 + ... + 1394462.

It is an arithmetic number, because the mean of its divisors is an integer number (72913680).

Almost surely, 22690842707 is an apocalyptic number.

2690842707 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2690842707 is a deficient number, since it is larger than the sum of its proper divisors (1975632813).

2690842707 is a wasteful number, since it uses less digits than its factorization.

2690842707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2690842707 is about 51873.3332937069. Note that the first 3 decimals coincide. The cubic root of 2690842707 is about 1390.9006303739.

The spelling of 2690842707 in words is "two billion, six hundred ninety million, eight hundred forty-two thousand, seven hundred seven".

Divisors: 1 3 7 9 21 27 63 73 101 189 219 303 511 657 707 909 1533 1931 1971 2121 2727 4599 5793 6363 7373 13517 13797 17379 19089 22119 40551 51611 52137 66357 121653 140963 154833 195031 199071 364959 422889 464499 585093 986741 1268667 1365217 1393497 1755279 2960223 3806001 4095651 5265837 8880669 12286953 14237263 26642007 36860859 42711789 99660841 128135367 298982523 384406101 896947569 2690842707