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2149098754 = 211131745697
BaseRepresentation
bin1000000000011000…
…1010010100000010
312112202220112021011
42000012022110002
513400132130004
6553130351134
7104154016015
oct20006122402
95482815234
102149098754
11a03123780
124bb88b4aa
1328331bc8a
141655cb37c
15c8a15004
hex8018a502

2149098754 has 16 divisors (see below), whose sum is σ = 3543556896. Its totient is φ = 969404800.

The previous prime is 2149098751. The next prime is 2149098769. The reversal of 2149098754 is 4578909412.

It is a junction number, because it is equal to n+sod(n) for n = 2149098698 and 2149098707.

It is not an unprimeable number, because it can be changed into a prime (2149098751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369967 + ... + 375730.

It is an arithmetic number, because the mean of its divisors is an integer number (221472306).

Almost surely, 22149098754 is an apocalyptic number.

2149098754 is a deficient number, since it is larger than the sum of its proper divisors (1394458142).

2149098754 is a wasteful number, since it uses less digits than its factorization.

2149098754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745841.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 2149098754 is about 46358.3730732648. The cubic root of 2149098754 is about 1290.4825136463.

The spelling of 2149098754 in words is "two billion, one hundred forty-nine million, ninety-eight thousand, seven hundred fifty-four".

Divisors: 1 2 11 22 131 262 1441 2882 745697 1491394 8202667 16405334 97686307 195372614 1074549377 2149098754