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30372040171641 = 374173483223397
BaseRepresentation
bin1101110011111100010101…
…01010100110000001111001
310222112112112200220200110110
412321332022222212001321
512440103414240443031
6144332420031134533
76253210316564520
oct671761252460171
9128475480820413
1030372040171641
11974a789974593
1234a637a974449
1313c40c028654c
1477002c0594b7
1537a0a6c43c46
hex1b9f8aaa6079

30372040171641 has 32 divisors (see below), whose sum is σ = 48059466271488. Its totient is φ = 16700200565760.

The previous prime is 30372040171601. The next prime is 30372040171643. The reversal of 30372040171641 is 14617104027303.

It is not a de Polignac number, because 30372040171641 - 27 = 30372040171513 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30372040171641.

It is not an unprimeable number, because it can be changed into a prime (30372040171643) 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, 241548846 + ... + 241674551.

It is an arithmetic number, because the mean of its divisors is an integer number (1501858320984).

Almost surely, 230372040171641 is an apocalyptic number.

It is an amenable number.

30372040171641 is a deficient number, since it is larger than the sum of its proper divisors (17687426099847).

30372040171641 is a wasteful number, since it uses less digits than its factorization.

30372040171641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483223521.

The product of its (nonzero) digits is 84672, while the sum is 39.

Adding to 30372040171641 its reverse (14617104027303), we get a palindrome (44989144198944).

The spelling of 30372040171641 in words is "thirty trillion, three hundred seventy-two billion, forty million, one hundred seventy-one thousand, six hundred forty-one".

Divisors: 1 3 7 21 41 73 123 219 287 511 861 1533 2993 8979 20951 62853 483223397 1449670191 3382563779 10147691337 19812159277 35275307981 59436477831 105825923943 138685114939 246927155867 416055344817 740781467601 1446287627221 4338862881663 10124013390547 30372040171641