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2049621029 = 19736914639
BaseRepresentation
bin111101000101010…
…1011110000100101
312021211201112110222
41322022223300211
513144200333104
6535214254125
7101535330341
oct17212536045
95254645428
102049621029
11961a59685
124924b7345
1326882c111
141562d4621
15bee151be
hex7a2abc25

2049621029 has 8 divisors (see below), whose sum is σ = 2157936000. Its totient is φ = 1941350112.

The previous prime is 2049620987. The next prime is 2049621047. The reversal of 2049621029 is 9201269402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2049621029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2049621029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049621229) 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, 132692 + ... + 147330.

It is an arithmetic number, because the mean of its divisors is an integer number (269742000).

Almost surely, 22049621029 is an apocalyptic number.

It is an amenable number.

2049621029 is a deficient number, since it is larger than the sum of its proper divisors (108314971).

2049621029 is a wasteful number, since it uses less digits than its factorization.

2049621029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22027.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2049621029 is about 45272.7404626669. The cubic root of 2049621029 is about 1270.2558083090.

The spelling of 2049621029 in words is "two billion, forty-nine million, six hundred twenty-one thousand, twenty-nine".

Divisors: 1 19 7369 14639 140011 278141 107874791 2049621029