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2141125450 = 252307139487
BaseRepresentation
bin111111110011110…
…1111101101001010
312112012220102221121
41333213233231022
513341112003300
6552243425454
7104026160152
oct17747575512
95465812847
102141125450
119a9678272
124b908528a
13281789a49
14164513762
15c7e8c81a
hex7f9efb4a

2141125450 has 24 divisors (see below), whose sum is σ = 3995494272. Its totient is φ = 853654320.

The previous prime is 2141125433. The next prime is 2141125451. The reversal of 2141125450 is 545211412.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2141125451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54394 + ... + 85093.

It is an arithmetic number, because the mean of its divisors is an integer number (166478928).

Almost surely, 22141125450 is an apocalyptic number.

2141125450 is a deficient number, since it is larger than the sum of its proper divisors (1854368822).

2141125450 is a wasteful number, since it uses less digits than its factorization.

2141125450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139806 (or 139801 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2141125450 is about 46272.2967876028. The cubic root of 2141125450 is about 1288.8846096464.

Adding to 2141125450 its reverse (545211412), we get a palindrome (2686336862).

The spelling of 2141125450 in words is "two billion, one hundred forty-one million, one hundred twenty-five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 307 614 1535 3070 7675 15350 139487 278974 697435 1394870 3487175 6974350 42822509 85645018 214112545 428225090 1070562725 2141125450