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42102430203 = 33722912171361
BaseRepresentation
bin100111001101100000…
…000001100111111011
311000200012011001112210
4213031200001213323
51142211210231303
631201441110203
73020223515631
oct471540014773
9130605131483
1042102430203
11169457a6a69
1281b0028363
133c7c8115c2
1420758cb351
15116637e203
hex9cd8019fb

42102430203 has 32 divisors (see below), whose sum is σ = 57995703360. Its totient is φ = 27148124160.

The previous prime is 42102430141. The next prime is 42102430261. The reversal of 42102430203 is 30203420124.

42102430203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42102430203 - 28 = 42102429947 is a prime.

It is a super-2 number, since 2×421024302032 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42102430203.

It is not an unprimeable number, because it can be changed into a prime (42102430703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30934243 + ... + 30935603.

It is an arithmetic number, because the mean of its divisors is an integer number (1812365730).

Almost surely, 242102430203 is an apocalyptic number.

42102430203 is a deficient number, since it is larger than the sum of its proper divisors (15893273157).

42102430203 is a wasteful number, since it uses less digits than its factorization.

42102430203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 42102430203 its reverse (30203420124), we get a palindrome (72305850327).

The spelling of 42102430203 in words is "forty-two billion, one hundred two million, four hundred thirty thousand, two hundred three".

Divisors: 1 3 37 111 229 687 1217 1361 3651 4083 8473 25419 45029 50357 135087 151071 278693 311669 836079 935007 1656337 4969011 10311641 11531753 30934923 34595259 61284469 183853407 379301173 1137903519 14034143401 42102430203