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1242700095 = 3571335387
BaseRepresentation
bin100101000010010…
…0001100100111111
310012121100201001110
41022010201210333
510021112400340
6323151213103
742536530230
oct11204414477
93177321043
101242700095
11588520a7a
122a8217193
1316a5c5000
14bb087087
1574172680
hex4a12193f

1242700095 has 64 divisors (see below), whose sum is σ = 2462100480. Its totient is φ = 524294784.

The previous prime is 1242700091. The next prime is 1242700117. The reversal of 1242700095 is 5900072421.

It is not a de Polignac number, because 1242700095 - 22 = 1242700091 is a prime.

It is a super-2 number, since 2×12427000952 = 3088607052226018050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242700091) 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, 227992 + ... + 233378.

It is an arithmetic number, because the mean of its divisors is an integer number (38470320).

Almost surely, 21242700095 is an apocalyptic number.

1242700095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1242700095 is a deficient number, since it is larger than the sum of its proper divisors (1219400385).

1242700095 is an equidigital number, since it uses as much as digits as its factorization.

1242700095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441 (or 5415 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1242700095 is about 35251.9516481003. The cubic root of 1242700095 is about 1075.1162938908.

The spelling of 1242700095 in words is "one billion, two hundred forty-two million, seven hundred thousand, ninety-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 169 195 273 455 507 845 1183 1365 2197 2535 3549 5387 5915 6591 10985 15379 16161 17745 26935 32955 37709 46137 70031 76895 80805 113127 188545 210093 230685 350155 490217 565635 910403 1050465 1470651 2451085 2731209 4552015 6372821 7353255 11835239 13656045 19118463 31864105 35505717 59176195 82846673 95592315 177528585 248540019 414233365 1242700095